342 lines
17 KiB
JSON
342 lines
17 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-58069",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-03-06T15:52:09.181Z",
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"datePublished": "2025-03-06T15:54:09.480Z",
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"dateUpdated": "2026-08-05T11:47:31.980Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:47:31.980Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nrtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read\n\nThe nvmem interface supports variable buffer sizes, while the regmap\ninterface operates with fixed-size storage. If an nvmem client uses a\nbuffer size less than 4 bytes, regmap_read will write out of bounds\nas it expects the buffer to point at an unsigned int.\n\nFix this by using an intermediary unsigned int to hold the value."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The vulnerable callback is reached by reading the local sysfs binary attribute /sys/bus/nvmem/devices/pcf85063_nvram*/nvmem (or by an in-kernel nvmem-cell consumer); no network or adjacent-network path exists to an I2C RTC driver.\nAC:L - A single open()+read() with a count under 4 bytes deterministically causes regmap_read() to store 4 bytes into the smaller kernfs-allocated buffer; there is no race, no timing window, and no condition outside the attacker's control.\nPR:L - nvmem_cfg does not set root_only, so nvmem_bin_attr_get_umode() grants mode 0644 and any unprivileged local user (or container process) can read the nvmem attribute and trigger the overflow.\nUI:N - The attacker triggers the write entirely on their own by reading a sysfs file; no victim action, mount, or file open by another user is required.\nS:U - The out-of-bounds write corrupts kernel heap/stack memory within the same kernel security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The 3-byte out-of-bounds write corrupts memory adjacent to the target buffer (including stack slots holding lengths, indices and pointers in nvmem_cell_prepare_write_buffer()), and such memory corruption can be leveraged to influence subsequent reads and disclose kernel memory.\nI:H - This is a straightforward out-of-bounds write (CWE-787) past a 1-byte heap or stack buffer, corrupting adjacent kernel objects and stack frame state, which per kernel scoring practice for OOB writes constitutes a high integrity impact.\nA:H - The OOB store smashes adjacent stack data (potentially the stack canary, causing a panic) and is a KASAN-reported slab-out-of-bounds write that panics on kasan.fault=panic/panic_on_warn builds, and it is repeatable at will by any local user."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/rtc/rtc-pcf85063.c"
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],
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"versions": [
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "21cd59fcb9952eb7505da2bdfc1eb9c619df3ff4",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "6f2a8ca9a0a38589f52a7f0fb9425b9ba987ae7c",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "e5536677da803ed54a29a446515c28dce7d3d574",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "c72b7a474d3f445bf0c5bcf8ffed332c78eb28a1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "9adefa7b9559d0f21034a5d5ec1b55840c9348b9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "e5e06455760f2995b16a176033909347929d1128",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "517aedb365f2c94e2d7e0b908ac7127df76203a1",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "fadfd092ee9138825d8c2a4f95719d2e2e3202b9",
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"lessThan": "3ab8c5ed4f84fa20cd16794fe8dc31f633fbc70c",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/rtc/rtc-pcf85063.c"
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],
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"versions": [
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{
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"version": "5.2",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "5.2",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.4.291",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.235",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.179",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.129",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.76",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.13",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.13.2",
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"lessThanOrEqual": "6.13.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.14",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.2",
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"versionEndExcluding": "5.4.291"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"references": [
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"url": "https://git.kernel.org/stable/c/21cd59fcb9952eb7505da2bdfc1eb9c619df3ff4"
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},
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{
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"url": "https://git.kernel.org/stable/c/6f2a8ca9a0a38589f52a7f0fb9425b9ba987ae7c"
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},
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{
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"url": "https://git.kernel.org/stable/c/e5536677da803ed54a29a446515c28dce7d3d574"
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},
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{
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"url": "https://git.kernel.org/stable/c/c72b7a474d3f445bf0c5bcf8ffed332c78eb28a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/9adefa7b9559d0f21034a5d5ec1b55840c9348b9"
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},
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{
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"url": "https://git.kernel.org/stable/c/e5e06455760f2995b16a176033909347929d1128"
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},
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{
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"url": "https://git.kernel.org/stable/c/517aedb365f2c94e2d7e0b908ac7127df76203a1"
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},
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{
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"url": "https://git.kernel.org/stable/c/3ab8c5ed4f84fa20cd16794fe8dc31f633fbc70c"
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}
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],
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"title": "rtc: pcf85063: fix potential OOB write in PCF85063 NVMEM read",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-58069",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2025-10-01T19:27:38.670709Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-787",
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"description": "CWE-787 Out-of-bounds Write"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-01T19:36:36.659Z"
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}
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},
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T19:34:03.211Z"
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}
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}
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]
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}
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} |