226 lines
12 KiB
JSON
226 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-2023-53441",
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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": "2025-09-17T14:54:09.752Z",
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"datePublished": "2025-09-18T16:04:18.519Z",
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"dateUpdated": "2026-05-11T19:45:03.854Z"
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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": "2026-05-11T19:45:03.854Z"
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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: cpumap: Fix memory leak in cpu_map_update_elem\n\nSyzkaller reported a memory leak as follows:\n\nBUG: memory leak\nunreferenced object 0xff110001198ef748 (size 192):\n comm \"syz-executor.3\", pid 17672, jiffies 4298118891 (age 9.906s)\n hex dump (first 32 bytes):\n 00 00 00 00 4a 19 00 00 80 ad e3 e4 fe ff c0 00 ....J...........\n 00 b2 d3 0c 01 00 11 ff 28 f5 8e 19 01 00 11 ff ........(.......\n backtrace:\n [<ffffffffadd28087>] __cpu_map_entry_alloc+0xf7/0xb00\n [<ffffffffadd28d8e>] cpu_map_update_elem+0x2fe/0x3d0\n [<ffffffffadc6d0fd>] bpf_map_update_value.isra.0+0x2bd/0x520\n [<ffffffffadc7349b>] map_update_elem+0x4cb/0x720\n [<ffffffffadc7d983>] __se_sys_bpf+0x8c3/0xb90\n [<ffffffffb029cc80>] do_syscall_64+0x30/0x40\n [<ffffffffb0400099>] entry_SYSCALL_64_after_hwframe+0x61/0xc6\n\nBUG: memory leak\nunreferenced object 0xff110001198ef528 (size 192):\n comm \"syz-executor.3\", pid 17672, jiffies 4298118891 (age 9.906s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<ffffffffadd281f0>] __cpu_map_entry_alloc+0x260/0xb00\n [<ffffffffadd28d8e>] cpu_map_update_elem+0x2fe/0x3d0\n [<ffffffffadc6d0fd>] bpf_map_update_value.isra.0+0x2bd/0x520\n [<ffffffffadc7349b>] map_update_elem+0x4cb/0x720\n [<ffffffffadc7d983>] __se_sys_bpf+0x8c3/0xb90\n [<ffffffffb029cc80>] do_syscall_64+0x30/0x40\n [<ffffffffb0400099>] entry_SYSCALL_64_after_hwframe+0x61/0xc6\n\nBUG: memory leak\nunreferenced object 0xff1100010fd93d68 (size 8):\n comm \"syz-executor.3\", pid 17672, jiffies 4298118891 (age 9.906s)\n hex dump (first 8 bytes):\n 00 00 00 00 00 00 00 00 ........\n backtrace:\n [<ffffffffade5db3e>] kvmalloc_node+0x11e/0x170\n [<ffffffffadd28280>] __cpu_map_entry_alloc+0x2f0/0xb00\n [<ffffffffadd28d8e>] cpu_map_update_elem+0x2fe/0x3d0\n [<ffffffffadc6d0fd>] bpf_map_update_value.isra.0+0x2bd/0x520\n [<ffffffffadc7349b>] map_update_elem+0x4cb/0x720\n [<ffffffffadc7d983>] __se_sys_bpf+0x8c3/0xb90\n [<ffffffffb029cc80>] do_syscall_64+0x30/0x40\n [<ffffffffb0400099>] entry_SYSCALL_64_after_hwframe+0x61/0xc6\n\nIn the cpu_map_update_elem flow, when kthread_stop is called before\ncalling the threadfn of rcpu->kthread, since the KTHREAD_SHOULD_STOP bit\nof kthread has been set by kthread_stop, the threadfn of rcpu->kthread\nwill never be executed, and rcpu->refcnt will never be 0, which will\nlead to the allocated rcpu, rcpu->queue and rcpu->queue->queue cannot be\nreleased.\n\nCalling kthread_stop before executing kthread's threadfn will return\n-EINTR. We can complete the release of memory resources in this state."
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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/cpumap.c"
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],
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"versions": [
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{
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"version": "6710e1126934d8b4372b4d2f9ae1646cd3f151bf",
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"lessThan": "d26299f50f5ea8f0aeb5d49e659c31f64233c816",
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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": "6710e1126934d8b4372b4d2f9ae1646cd3f151bf",
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"lessThan": "b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030",
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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": "6710e1126934d8b4372b4d2f9ae1646cd3f151bf",
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"lessThan": "a957ac8e0b5ffb5797382a6adbafd005a5f72851",
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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": "6710e1126934d8b4372b4d2f9ae1646cd3f151bf",
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"lessThan": "4369016497319a9635702da010d02af1ebb1849d",
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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/cpumap.c"
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],
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"versions": [
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{
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"version": "4.15",
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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": "4.15",
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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": "5.15.121",
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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": "6.1.40",
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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": "6.4.5",
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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",
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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": "4.15",
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"versionEndExcluding": "5.15.121"
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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": "4.15",
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"versionEndExcluding": "6.1.40"
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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": "4.15",
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"versionEndExcluding": "6.4.5"
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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": "4.15",
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"versionEndExcluding": "6.5"
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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/d26299f50f5ea8f0aeb5d49e659c31f64233c816"
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},
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{
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"url": "https://git.kernel.org/stable/c/b11a9b4f28cb6ff69ef7e69809e5f7fffeac9030"
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},
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{
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"url": "https://git.kernel.org/stable/c/a957ac8e0b5ffb5797382a6adbafd005a5f72851"
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},
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{
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"url": "https://git.kernel.org/stable/c/4369016497319a9635702da010d02af1ebb1849d"
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}
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],
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"title": "bpf: cpumap: Fix memory leak in cpu_map_update_elem",
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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": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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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": "NONE"
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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-2023-53441",
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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": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-01-14T19:18:06.942324Z"
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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-401",
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"description": "CWE-401 Missing Release of Memory after Effective Lifetime"
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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": "2026-01-14T19:23:10.911Z"
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}
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}
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]
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}
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} |