164 lines
7.7 KiB
JSON
164 lines
7.7 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-2023-54181",
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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": "2025-12-30T12:06:44.497Z",
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"datePublished": "2025-12-30T12:08:52.376Z",
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"dateUpdated": "2026-05-11T19:57:01.011Z"
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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": "2026-05-11T19:57:01.011Z"
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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\nbpf: Fix issue in verifying allow_ptr_leaks\n\nAfter we converted the capabilities of our networking-bpf program from\ncap_sys_admin to cap_net_admin+cap_bpf, our networking-bpf program\nfailed to start. Because it failed the bpf verifier, and the error log\nis \"R3 pointer comparison prohibited\".\n\nA simple reproducer as follows,\n\nSEC(\"cls-ingress\")\nint ingress(struct __sk_buff *skb)\n{\n\tstruct iphdr *iph = (void *)(long)skb->data + sizeof(struct ethhdr);\n\n\tif ((long)(iph + 1) > (long)skb->data_end)\n\t\treturn TC_ACT_STOLEN;\n\treturn TC_ACT_OK;\n}\n\nPer discussion with Yonghong and Alexei [1], comparison of two packet\npointers is not a pointer leak. This patch fixes it.\n\nOur local kernel is 6.1.y and we expect this fix to be backported to\n6.1.y, so stable is CCed.\n\n[1]. https://lore.kernel.org/bpf/CAADnVQ+Nmspr7Si+pxWn8zkE7hX-7s93ugwC+94aXSy4uQ9vBg@mail.gmail.com/"
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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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"kernel/bpf/verifier.c"
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],
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"versions": [
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{
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"version": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366",
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"lessThan": "c96c67991aac6401b4c6996093bccb704bb2ea4b",
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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": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366",
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"lessThan": "5927f0172d2809d8fc09c1ba667280b0387e9f73",
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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": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366",
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"lessThan": "acfdc8b77016c8e648aadc283177546c88083dd3",
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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": "2c78ee898d8f10ae6fb2fa23a3fbaec96b1b7366",
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"lessThan": "d75e30dddf73449bc2d10bb8e2f1a2c446bc67a2",
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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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"kernel/bpf/verifier.c"
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],
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"versions": [
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{
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"version": "5.8",
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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": "5.8",
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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": "6.1.53",
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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": "6.4.16",
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"lessThanOrEqual": "6.4.*",
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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": "6.5.3",
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"lessThanOrEqual": "6.5.*",
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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",
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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": "5.8",
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"versionEndExcluding": "6.1.53"
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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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"versionStartIncluding": "5.8",
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"versionEndExcluding": "6.4.16"
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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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"versionStartIncluding": "5.8",
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"versionEndExcluding": "6.5.3"
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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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"versionStartIncluding": "5.8",
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"versionEndExcluding": "6.6"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c96c67991aac6401b4c6996093bccb704bb2ea4b"
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},
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{
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"url": "https://git.kernel.org/stable/c/5927f0172d2809d8fc09c1ba667280b0387e9f73"
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},
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{
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"url": "https://git.kernel.org/stable/c/acfdc8b77016c8e648aadc283177546c88083dd3"
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},
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{
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"url": "https://git.kernel.org/stable/c/d75e30dddf73449bc2d10bb8e2f1a2c446bc67a2"
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}
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],
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"title": "bpf: Fix issue in verifying allow_ptr_leaks",
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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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}
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} |