{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-52992", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-03-27T16:40:15.741Z", "datePublished": "2025-03-27T16:43:27.618Z", "dateUpdated": "2025-09-03T12:59:10.856Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-09-03T12:59:10.856Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Skip task with pid=1 in send_signal_common()\n\nThe following kernel panic can be triggered when a task with pid=1 attaches\na prog that attempts to send killing signal to itself, also see [1] for more\ndetails:\n\n Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\n CPU: 3 PID: 1 Comm: systemd Not tainted 6.1.0-09652-g59fe41b5255f #148\n Call Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x100/0x178 lib/dump_stack.c:106\n panic+0x2c4/0x60f kernel/panic.c:275\n do_exit.cold+0x63/0xe4 kernel/exit.c:789\n do_group_exit+0xd4/0x2a0 kernel/exit.c:950\n get_signal+0x2460/0x2600 kernel/signal.c:2858\n arch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306\n exit_to_user_mode_loop kernel/entry/common.c:168 [inline]\n exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\n syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nSo skip task with pid=1 in bpf_send_signal_common() to avoid the panic.\n\n [1] https://lore.kernel.org/bpf/[email protected]"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/trace/bpf_trace.c"], "versions": [{"version": "8b401f9ed2441ad9e219953927a842d24ed051fc", "lessThan": "4923160393b06a34759a11b17930d71e06f396f2", "status": "affected", "versionType": "git"}, {"version": "8b401f9ed2441ad9e219953927a842d24ed051fc", "lessThan": "a1c0263f1eb4deee132e11e52ee6982435460d81", "status": "affected", "versionType": "git"}, {"version": "8b401f9ed2441ad9e219953927a842d24ed051fc", "lessThan": "0dfef503133565fa0bcf3268d8eeb5b181191a65", "status": "affected", "versionType": "git"}, {"version": "8b401f9ed2441ad9e219953927a842d24ed051fc", "lessThan": "1283a01b6e19d05f7ed49584ea653947245cd41e", "status": "affected", "versionType": "git"}, {"version": "8b401f9ed2441ad9e219953927a842d24ed051fc", "lessThan": "a3d81bc1eaef48e34dd0b9b48eefed9e02a06451", "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/trace/bpf_trace.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.231", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.167", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.92", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.10", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2", "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": "5.3", "versionEndExcluding": "5.4.231"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.10.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "5.15.92"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.1.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4923160393b06a34759a11b17930d71e06f396f2"}, {"url": "https://git.kernel.org/stable/c/a1c0263f1eb4deee132e11e52ee6982435460d81"}, {"url": "https://git.kernel.org/stable/c/0dfef503133565fa0bcf3268d8eeb5b181191a65"}, {"url": "https://git.kernel.org/stable/c/1283a01b6e19d05f7ed49584ea653947245cd41e"}, {"url": "https://git.kernel.org/stable/c/a3d81bc1eaef48e34dd0b9b48eefed9e02a06451"}], "title": "bpf: Skip task with pid=1 in send_signal_common()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Skip task with pid=1 in send_signal_common()\n\nThe following kernel panic can be triggered when a task with pid=1 attaches\na prog that attempts to send killing signal to itself, also see [1] for more\ndetails:\n\n Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\n CPU: 3 PID: 1 Comm: systemd Not tainted 6.1.0-09652-g59fe41b5255f #148\n Call Trace:\n <TASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x100/0x178 lib/dump_stack.c:106\n panic+0x2c4/0x60f kernel/panic.c:275\n do_exit.cold+0x63/0xe4 kernel/exit.c:789\n do_group_exit+0xd4/0x2a0 kernel/exit.c:950\n get_signal+0x2460/0x2600 kernel/signal.c:2858\n arch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306\n exit_to_user_mode_loop kernel/entry/common.c:168 [inline]\n exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203\n __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\n syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296\n do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nSo skip task with pid=1 in bpf_send_signal_common() to avoid the panic.\n\n [1] https://lore.kernel.org/bpf/[email protected]"}], "id": "CVE-2023-52992", "lastModified": "2025-03-28T18:11:49.747", "metrics": {}, "published": "2025-03-27T17:15:46.670", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0dfef503133565fa0bcf3268d8eeb5b181191a65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1283a01b6e19d05f7ed49584ea653947245cd41e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4923160393b06a34759a11b17930d71e06f396f2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1c0263f1eb4deee132e11e52ee6982435460d81"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a3d81bc1eaef48e34dd0b9b48eefed9e02a06451"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: bpf: Skip task with pid=1 in send_signal_common()", "id": "2355487", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2355487"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Skip task with pid=1 in send_signal_common()\nThe following kernel panic can be triggered when a task with pid=1 attaches\na prog that attempts to send killing signal to itself, also see [1] for more\ndetails:\nKernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b\nCPU: 3 PID: 1 Comm: systemd Not tainted 6.1.0-09652-g59fe41b5255f #148\nCall Trace:\n<TASK>\n__dump_stack lib/dump_stack.c:88 [inline]\ndump_stack_lvl+0x100/0x178 lib/dump_stack.c:106\npanic+0x2c4/0x60f kernel/panic.c:275\ndo_exit.cold+0x63/0xe4 kernel/exit.c:789\ndo_group_exit+0xd4/0x2a0 kernel/exit.c:950\nget_signal+0x2460/0x2600 kernel/signal.c:2858\narch_do_signal_or_restart+0x78/0x5d0 arch/x86/kernel/signal.c:306\nexit_to_user_mode_loop kernel/entry/common.c:168 [inline]\nexit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203\n__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]\nsyscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296\ndo_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86\nentry_SYSCALL_64_after_hwframe+0x63/0xcd\nSo skip task with pid=1 in bpf_send_signal_common() to avoid the panic.\n[1] https://lore.kernel.org/bpf/[email protected]"], "name": "CVE-2023-52992", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-03-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-52992\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-52992\nhttps://lore.kernel.org/linux-cve-announce/2025032709-CVE-2023-52992-bf46@gregkh/T"], "threat_severity": "Low"}