338 lines
16 KiB
JSON
338 lines
16 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-2026-53356",
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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": "2026-06-09T07:44:35.400Z",
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"datePublished": "2026-07-01T13:32:31.428Z",
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"dateUpdated": "2026-10-19T20:07:43.886Z"
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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": "2026-08-05T12:35:05.605Z"
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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\ndrm/i915/gem: Fix phys BO pread/pwrite with offset\n\nsg_page() returns struct page pointer not (void *) so the scaling\nof pread/pwrite is wrong for phys BO and wrong parts of BO would be\naccessed if non-zero offset is used.\n\nLast impacted platform with overlay or cursor planes using phys\nmapping was Gen3/945G/Lakeport.\n\n(cherry picked from commit 3e49a2f85070b2fb672c1e0fdba281a4ea3aebe6)"
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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 path is reached through local DRM/i915 ioctls, specifically GEM pread/pwrite on a phys-backed buffer object. It is not reachable from network, adjacent, or physical device input.\nAC:L - Once on an affected legacy i915 platform with a phys-backed cursor/overlay BO, a nonzero offset reliably triggers the bad scaled pointer arithmetic. There is no race or attacker-external timing condition.\nPR:L - The attacker needs local access to the DRM device and enough ordinary DRM/KMS access to create and pin a framebuffer-backed GEM object, but not real root or CAP_SYS_ADMIN. The pread/pwrite ioctls themselves are render-allowed.\nUI:N - No victim action is required after the attacker has local DRM access. The attacker can issue the needed ioctls directly.\nS:U - The vulnerability is a kernel memory access bug reachable from a kernel driver ioctl path. It does not cross a separate security authority such as a VM host boundary.\nC:H - The faulty phys BO pread path can copy out-of-bounds kernel memory back to userspace. This is a high confidentiality impact because it can disclose kernel memory beyond the intended buffer.\nI:H - The faulty phys BO pwrite path can copy attacker-controlled data out of bounds into kernel memory relative to the coherent allocation. This is kernel memory corruption and can plausibly be leveraged for privilege escalation.\nA:H - The out-of-bounds read/write can corrupt or access invalid kernel memory and cause an oops, panic, or hang. Repeated triggering is possible through local ioctls on the affected object."
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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/gpu/drm/i915/gem/i915_gem_phys.c"
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],
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{
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"version": "0",
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"status": "unaffected",
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},
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{
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"version": "5.10.259",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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},
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{
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"version": "5.15.210",
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},
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"lessThanOrEqual": "6.1.*",
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},
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"version": "6.6.143",
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"status": "unaffected",
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},
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{
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"version": "6.12.94",
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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": "6.18.36",
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"lessThanOrEqual": "6.18.*",
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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": "7.0.13",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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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"cpeApplicability": [
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"url": "https://git.kernel.org/stable/c/3bd168dd835b93a3862cd05b0d13c432b115f9d6"
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"url": "https://git.kernel.org/stable/c/32d4c5d328a3ff995420f4f85163e1e403f43628"
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"url": "https://git.kernel.org/stable/c/dd51a2eeb93bc6faa892ff9083911dd23f82c187"
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{
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"url": "https://git.kernel.org/stable/c/d21ad938398bca695a511307de38a65889e3b354"
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}
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],
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"title": "drm/i915/gem: Fix phys BO pread/pwrite with offset",
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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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"x_adpType": "supplier",
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"providerMetadata": {
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"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
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"shortName": "siemens-SADP",
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"dateUpdated": "2026-10-15T01:23:21.482Z"
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},
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"affected": [
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{
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"vendor": "Siemens",
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"product": "SIMATIC S7-1500 TM MFP - GNU/Linux subsystem",
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"versions": [
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{
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"status": "affected",
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}
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"references": [
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{
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"url": "https://cert-portal.siemens.com/productcert/html/ssa-784472.html"
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}
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]
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},
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{
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"metrics": [
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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-2026-53356",
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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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"version": "2.0.3",
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"timestamp": "2026-10-16T15:28:39.314714Z"
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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-1164",
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"description": "CWE-1164 Irrelevant Code"
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}
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]
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}
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} |