{"id":"CVE-2024-56623","state":"PUBLISHED","title":"scsi: qla2xxx: Fix use after free on unload","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix use after free on unload\n\nSystem crash is observed with stack trace warning of use after\nfree. There are 2 signals to tell dpc_thread to terminate (UNLOADING\nflag and kthread_stop).\n\nOn setting the UNLOADING flag when dpc_thread happens to run at the time\nand sees the flag, this causes dpc_thread to exit and clean up\nitself. When kthread_stop is called for final cleanup, this causes use\nafter free.\n\nRemove UNLOADING signal to terminate dpc_thread.  Use the kthread_stop\nas the main signal to exit dpc_thread.\n\n[596663.812935] kernel BUG at mm/slub.c:294!\n[596663.812950] invalid opcode: 0000 [#1] SMP PTI\n[596663.812957] CPU: 13 PID: 1475935 Comm: rmmod Kdump: loaded Tainted: G          IOE    --------- -  - 4.18.0-240.el8.x86_64 #1\n[596663.812960] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 08/20/2012\n[596663.812974] RIP: 0010:__slab_free+0x17d/0x360\n\n...\n[596663.813008] Call Trace:\n[596663.813022]  ? __dentry_kill+0x121/0x170\n[596663.813030]  ? _cond_resched+0x15/0x30\n[596663.813034]  ? _cond_resched+0x15/0x30\n[596663.813039]  ? wait_for_completion+0x35/0x190\n[596663.813048]  ? try_to_wake_up+0x63/0x540\n[596663.813055]  free_task+0x5a/0x60\n[596663.813061]  kthread_stop+0xf3/0x100\n[596663.813103]  qla2x00_remove_one+0x284/0x440 [qla2xxx]","publishedAt":"2024-12-27T14:51:26.484Z","updatedAt":"2026-05-11T20:56:03.085Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"12f04fc8580eafb0510f805749553eb6213f323e","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"ca36d9d53745d5ec8946ef85006d4da605ea7c54","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"b3e6f25176f248762a24d25ab8cf8c5e90874f80","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"15369e774f27ec790f207de87c0b541e3f90b22d","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"6abf16d3c915b2feb68c1c8b25fcb71b13f98478","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"07c903db0a2ff84b68efa1a74a4de353ea591eb0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_os.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_os.c"]}],"references":["https://git.kernel.org/stable/c/12f04fc8580eafb0510f805749553eb6213f323e","https://git.kernel.org/stable/c/ca36d9d53745d5ec8946ef85006d4da605ea7c54","https://git.kernel.org/stable/c/b3e6f25176f248762a24d25ab8cf8c5e90874f80","https://git.kernel.org/stable/c/15369e774f27ec790f207de87c0b541e3f90b22d","https://git.kernel.org/stable/c/6abf16d3c915b2feb68c1c8b25fcb71b13f98478","https://git.kernel.org/stable/c/07c903db0a2ff84b68efa1a74a4de353ea591eb0","https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"],"weaknesses":["CWE-416"],"ingestedAt":"2026-10-29T20:08:12.933Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/56xxx/CVE-2024-56623.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-56623","state":"PUBLISHED","datePublished":"2024-12-27T14:51:26.484Z","dateUpdated":"2026-05-11T20:56:03.085Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-12-27T14:03:06.017Z"},"containers":{"cna":{"title":"scsi: qla2xxx: Fix use after free on unload","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: qla2xxx: Fix use after free on unload\n\nSystem crash is observed with stack trace warning of use after\nfree. There are 2 signals to tell dpc_thread to terminate (UNLOADING\nflag and kthread_stop).\n\nOn setting the UNLOADING flag when dpc_thread happens to run at the time\nand sees the flag, this causes dpc_thread to exit and clean up\nitself. When kthread_stop is called for final cleanup, this causes use\nafter free.\n\nRemove UNLOADING signal to terminate dpc_thread.  Use the kthread_stop\nas the main signal to exit dpc_thread.\n\n[596663.812935] kernel BUG at mm/slub.c:294!\n[596663.812950] invalid opcode: 0000 [#1] SMP PTI\n[596663.812957] CPU: 13 PID: 1475935 Comm: rmmod Kdump: loaded Tainted: G          IOE    --------- -  - 4.18.0-240.el8.x86_64 #1\n[596663.812960] Hardware name: HP ProLiant DL380p Gen8, BIOS P70 08/20/2012\n[596663.812974] RIP: 0010:__slab_free+0x17d/0x360\n\n...\n[596663.813008] Call Trace:\n[596663.813022]  ? __dentry_kill+0x121/0x170\n[596663.813030]  ? _cond_resched+0x15/0x30\n[596663.813034]  ? _cond_resched+0x15/0x30\n[596663.813039]  ? wait_for_completion+0x35/0x190\n[596663.813048]  ? try_to_wake_up+0x63/0x540\n[596663.813055]  free_task+0x5a/0x60\n[596663.813061]  kthread_stop+0xf3/0x100\n[596663.813103]  qla2x00_remove_one+0x284/0x440 [qla2xxx]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"12f04fc8580eafb0510f805749553eb6213f323e","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"ca36d9d53745d5ec8946ef85006d4da605ea7c54","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"b3e6f25176f248762a24d25ab8cf8c5e90874f80","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"15369e774f27ec790f207de87c0b541e3f90b22d","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"6abf16d3c915b2feb68c1c8b25fcb71b13f98478","versionType":"git"},{"version":"a29b3dd7aa14facc902b40b8b5c4dccbfb2ad7d0","status":"affected","lessThan":"07c903db0a2ff84b68efa1a74a4de353ea591eb0","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_os.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.10.231","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.174","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.120","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.66","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.5","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/scsi/qla2xxx/qla_os.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/12f04fc8580eafb0510f805749553eb6213f323e"},{"url":"https://git.kernel.org/stable/c/ca36d9d53745d5ec8946ef85006d4da605ea7c54"},{"url":"https://git.kernel.org/stable/c/b3e6f25176f248762a24d25ab8cf8c5e90874f80"},{"url":"https://git.kernel.org/stable/c/15369e774f27ec790f207de87c0b541e3f90b22d"},{"url":"https://git.kernel.org/stable/c/6abf16d3c915b2feb68c1c8b25fcb71b13f98478"},{"url":"https://git.kernel.org/stable/c/07c903db0a2ff84b68efa1a74a4de353ea591eb0"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:56:03.085Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.231"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.174"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.1.120"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.6.66"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.12.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-03-04T18:05:37.705416Z","id":"CVE-2024-56623","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-416","type":"CWE","lang":"en","description":"CWE-416 Use After Free"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-03-04T18:05:45.283Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T20:51:12.545Z"}}]}}}