185 lines
9.1 KiB
JSON
185 lines
9.1 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-2026-98384",
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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": "2026-09-25T10:25:14.345Z",
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"datePublished": "2026-10-09T07:34:23.097Z",
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"dateUpdated": "2026-10-19T09:18:35.149Z"
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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": "2026-10-19T09:18:35.149Z"
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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 out-of-bounds read of sk_protocol in bpf_sock_destroy()\n\nsk_protocol lives in struct sock, not in struct sock_common. A timewait\nor request sock handed to bpf_sock_destroy() by the tcp iterator is\nneither, so reading sk->sk_protocol runs past the object:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in bpf_sock_destroy+0xc7/0xe0\nRead of size 2 at addr ffff8881047d11b4 by task test_progs/428\n\nTainted: [W]=WARN\nCall Trace:\n <TASK>\n dump_stack_lvl+0x91/0xf0\n print_report+0xd1/0x630\n kasan_report+0xf3/0x130\n __asan_report_load2_noabort+0x14/0x30\n bpf_sock_destroy+0xc7/0xe0\n bpf_prog_c3dd61f9d9cd9f37_iter_tcp6_timewait+0x9f/0xb7\n bpf_iter_run_prog+0x538/0xde0\n bpf_iter_tcp_seq_show+0x26b/0x4b0\n bpf_seq_read+0x424/0x1210\n vfs_read+0x197/0xe40\n ksys_read+0x119/0x240\n __x64_sys_read+0x72/0xc0\n x64_sys_call+0x647/0x27e0\n do_syscall_64+0xe5/0x610\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nOnly check sk_protocol on full socks. tcp_abort() already knows how to\ndeal with TIME_WAIT and NEW_SYN_RECV socks. Also fix the comment, it\nnever matched the code."
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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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"net/core/filter.c"
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],
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"versions": [
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{
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"version": "4ddbcb886268af8d12a23e6640b39d1d9c652b1b",
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"lessThan": "5b4eb82475ae17d55974235c09e97044829426a8",
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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": "4ddbcb886268af8d12a23e6640b39d1d9c652b1b",
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"lessThan": "a9651704c6fd64590b5ad4fbe7c3768accf95993",
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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": "4ddbcb886268af8d12a23e6640b39d1d9c652b1b",
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"lessThan": "91a482a81eabddebf5430cbbdf12027e1a91b767",
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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": "4ddbcb886268af8d12a23e6640b39d1d9c652b1b",
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"lessThan": "2534a5e5d360c2b10203cfa80f4ab9d021e48f2f",
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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": "4ddbcb886268af8d12a23e6640b39d1d9c652b1b",
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"lessThan": "01b245ba016d44861690594e10f67e026ce8552f",
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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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"net/core/filter.c"
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],
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"versions": [
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{
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"version": "6.5",
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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": "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": "6.6.158",
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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": "6.12.112",
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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": "6.18.55",
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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": "7.2.9",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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": "6.5",
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"versionEndExcluding": "6.6.158"
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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": "6.5",
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"versionEndExcluding": "6.12.112"
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},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "6.18.55"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.5",
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"versionEndExcluding": "7.2.9"
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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": "6.5",
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"versionEndExcluding": "7.3"
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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/5b4eb82475ae17d55974235c09e97044829426a8"
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},
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{
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"url": "https://git.kernel.org/stable/c/a9651704c6fd64590b5ad4fbe7c3768accf95993"
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},
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{
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"url": "https://git.kernel.org/stable/c/91a482a81eabddebf5430cbbdf12027e1a91b767"
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},
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{
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"url": "https://git.kernel.org/stable/c/2534a5e5d360c2b10203cfa80f4ab9d021e48f2f"
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},
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{
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"url": "https://git.kernel.org/stable/c/01b245ba016d44861690594e10f67e026ce8552f"
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}
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],
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"title": "bpf: Fix out-of-bounds read of sk_protocol in bpf_sock_destroy()",
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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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} |