248 lines
12 KiB
JSON
248 lines
12 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-2026-74426",
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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": "2026-08-15T05:44:03.894Z",
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"datePublished": "2026-08-15T05:59:28.427Z",
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"dateUpdated": "2026-08-17T05:19:11.836Z"
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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": "2026-08-17T05:19:11.836Z"
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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\nafs: fix NULL pointer dereference in afs_get_tree()\n\nafs_alloc_sbi() uses kzalloc for memory allocation. And, if\nctx->dyn_root is not null, as->cell and as->volume are null.\nIn trace_afs_get_tree() they are dereferenced.\n\nKASAN error message:\n\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 2 PID: 18478 Comm: syz-executor.7 Not tainted 5.10.246-syzkaller #0\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1\n04/01/2014\nRIP: 0010:perf_trace_afs_get_tree+0x1d9/0x550\ninclude/trace/events/afs.h:1365\n\nCall Trace:\ntrace_afs_get_tree include/trace/events/afs.h:1365 [inline]\nafs_get_tree+0x922/0x1350 fs/afs/super.c:599\nvfs_get_tree+0x8e/0x300 fs/super.c:1572\ndo_new_mount fs/namespace.c:3011 [inline]\npath_mount+0x14a5/0x2220 fs/namespace.c:3341\ndo_mount fs/namespace.c:3354 [inline]\n__do_sys_mount fs/namespace.c:3562 [inline]\n__se_sys_mount fs/namespace.c:3539 [inline]\n__x64_sys_mount+0x283/0x300 fs/namespace.c:3539\n do_syscall_64+0x33/0x50 arch/x86/entry/common.c:46\nentry_SYSCALL_64_after_hwframe+0x67/0xd1\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller."
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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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"fs/afs/super.c"
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],
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"versions": [
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{
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"version": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "67fb48c4a0874953212321cd5d57fdb4900dbc31",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "d648cc2069eb081707c061849046d909f57c78b1",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "d5b17474feed3c30991f07affa2473adbad95055",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "867b3ea146a041023bfcd258e6db516b1bb28f19",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "ea19edf71721cd42f923e3c70f4ff995b422fe3b",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "23b3d457d8387bcb2a61063a9e520063ada9335f",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "70b2842734d831c908474779bb8a76daf55f782c",
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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": "80548b03991f58758a336424a90bf9f988e3b077",
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"lessThan": "0b70716081c6462be9b2928ad736d0d527b09678",
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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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"fs/afs/super.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": "5.10.261",
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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": "5.15.212",
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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": "6.1.178",
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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": "6.6.145",
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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": "6.12.97",
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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": "6.18.40",
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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": "7.1.5",
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"lessThanOrEqual": "7.1.*",
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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": "7.2",
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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": "5.10.261"
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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": "5.2",
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"versionEndExcluding": "5.15.212"
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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": "5.2",
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"versionEndExcluding": "6.1.178"
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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": "5.2",
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"versionEndExcluding": "6.6.145"
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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": "5.2",
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"versionEndExcluding": "6.12.97"
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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": "5.2",
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"versionEndExcluding": "6.18.40"
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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": "5.2",
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"versionEndExcluding": "7.1.5"
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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": "5.2",
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"versionEndExcluding": "7.2"
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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/67fb48c4a0874953212321cd5d57fdb4900dbc31"
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},
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{
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"url": "https://git.kernel.org/stable/c/d648cc2069eb081707c061849046d909f57c78b1"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5b17474feed3c30991f07affa2473adbad95055"
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},
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{
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"url": "https://git.kernel.org/stable/c/867b3ea146a041023bfcd258e6db516b1bb28f19"
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},
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{
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"url": "https://git.kernel.org/stable/c/ea19edf71721cd42f923e3c70f4ff995b422fe3b"
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},
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{
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"url": "https://git.kernel.org/stable/c/23b3d457d8387bcb2a61063a9e520063ada9335f"
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},
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{
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"url": "https://git.kernel.org/stable/c/70b2842734d831c908474779bb8a76daf55f782c"
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},
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{
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"url": "https://git.kernel.org/stable/c/0b70716081c6462be9b2928ad736d0d527b09678"
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}
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],
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"title": "afs: fix NULL pointer dereference in afs_get_tree()",
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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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} |