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vuln-cve/data/2023/52xxx/CVE-2023-52621.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2023-52621",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2024-03-06T09:52:12.090Z",
"datePublished": "2024-03-26T17:19:23.208Z",
"dateUpdated": "2026-05-11T19:30:31.518Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-05-11T19:30:31.518Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Check rcu_read_lock_trace_held() before calling bpf map helpers\n\nThese three bpf_map_{lookup,update,delete}_elem() helpers are also\navailable for sleepable bpf program, so add the corresponding lock\nassertion for sleepable bpf program, otherwise the following warning\nwill be reported when a sleepable bpf program manipulates bpf map under\ninterpreter mode (aka bpf_jit_enable=0):\n\n WARNING: CPU: 3 PID: 4985 at kernel/bpf/helpers.c:40 ......\n CPU: 3 PID: 4985 Comm: test_progs Not tainted 6.6.0+ #2\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) ......\n RIP: 0010:bpf_map_lookup_elem+0x54/0x60\n ......\n Call Trace:\n <TASK>\n ? __warn+0xa5/0x240\n ? bpf_map_lookup_elem+0x54/0x60\n ? report_bug+0x1ba/0x1f0\n ? handle_bug+0x40/0x80\n ? exc_invalid_op+0x18/0x50\n ? asm_exc_invalid_op+0x1b/0x20\n ? __pfx_bpf_map_lookup_elem+0x10/0x10\n ? rcu_lockdep_current_cpu_online+0x65/0xb0\n ? rcu_is_watching+0x23/0x50\n ? bpf_map_lookup_elem+0x54/0x60\n ? __pfx_bpf_map_lookup_elem+0x10/0x10\n ___bpf_prog_run+0x513/0x3b70\n __bpf_prog_run32+0x9d/0xd0\n ? __bpf_prog_enter_sleepable_recur+0xad/0x120\n ? __bpf_prog_enter_sleepable_recur+0x3e/0x120\n bpf_trampoline_6442580665+0x4d/0x1000\n __x64_sys_getpgid+0x5/0x30\n ? do_syscall_64+0x36/0xb0\n entry_SYSCALL_64_after_hwframe+0x6e/0x76\n </TASK>"
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/bpf/helpers.c"
],
"versions": [
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "82f2df94dac1aa9b879e74d1f82ba1b631bdc612",
"status": "affected",
"versionType": "git"
},
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "3516f93cc63d956e1b290ae4b7bf2586074535a0",
"status": "affected",
"versionType": "git"
},
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "d6d6fe4bb105595118f12abeed4a7bdd450853f3",
"status": "affected",
"versionType": "git"
},
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "483cb92334cd7f1d5387dccc0ab5d595d27a669d",
"status": "affected",
"versionType": "git"
},
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "c7f1b6146f4a46d727c0d046284c28b6882c6304",
"status": "affected",
"versionType": "git"
},
{
"version": "1e6c62a8821557720a9b2ea9617359b264f2f67c",
"lessThan": "169410eba271afc9f0fb476d996795aa26770c6d",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"kernel/bpf/helpers.c"
],
"versions": [
{
"version": "5.10",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.10",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.237",
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.15.181",
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.77",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.16",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.7.4",
"lessThanOrEqual": "6.7.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.8",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.10.237"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "5.15.181"
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.10",
"versionEndExcluding": "6.6.16"
},
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "6.7.4"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.10",
"versionEndExcluding": "6.8"
}
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"references": [
{
"url": "https://git.kernel.org/stable/c/82f2df94dac1aa9b879e74d1f82ba1b631bdc612"
},
{
"url": "https://git.kernel.org/stable/c/3516f93cc63d956e1b290ae4b7bf2586074535a0"
},
{
"url": "https://git.kernel.org/stable/c/d6d6fe4bb105595118f12abeed4a7bdd450853f3"
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{
"url": "https://git.kernel.org/stable/c/483cb92334cd7f1d5387dccc0ab5d595d27a669d"
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{
"url": "https://git.kernel.org/stable/c/c7f1b6146f4a46d727c0d046284c28b6882c6304"
},
{
"url": "https://git.kernel.org/stable/c/169410eba271afc9f0fb476d996795aa26770c6d"
}
],
"title": "bpf: Check rcu_read_lock_trace_held() before calling bpf map helpers",
"x_generator": {
"engine": "bippy-1.2.0"
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},
"adp": [
{
"title": "CVE Program Container",
"references": [
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"tags": [
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{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T19:28:46.555Z"
}
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{
"metrics": [
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"other": {
"type": "ssvc",
"content": {
"id": "CVE-2023-52621",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-09-10T15:54:18.779612Z"
}
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}
],
"title": "CISA ADP Vulnrichment",
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]
}
}
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