{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49931","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-01T14:05:17.254Z","datePublished":"2025-05-01T14:11:08.135Z","dateUpdated":"2026-05-11T19:09:28.949Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:09:28.949Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Correctly move list in sc_disable()\n\nCommit 13bac861952a (\"IB/hfi1: Fix abba locking issue with sc_disable()\")\nincorrectly tries to move a list from one list head to another.  The\nresult is a kernel crash.\n\nThe crash is triggered when a link goes down and there are waiters for a\nsend to complete.  The following signature is seen:\n\n  BUG: kernel NULL pointer dereference, address: 0000000000000030\n  [...]\n  Call Trace:\n   sc_disable+0x1ba/0x240 [hfi1]\n   pio_freeze+0x3d/0x60 [hfi1]\n   handle_freeze+0x27/0x1b0 [hfi1]\n   process_one_work+0x1b0/0x380\n   ? process_one_work+0x380/0x380\n   worker_thread+0x30/0x360\n   ? process_one_work+0x380/0x380\n   kthread+0xd7/0x100\n   ? kthread_complete_and_exit+0x20/0x20\n   ret_from_fork+0x1f/0x30\n\nThe fix is to use the correct call to move the list."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hfi1/pio.c"],"versions":[{"version":"d997d4e4365f7e59cf6b59c70f966c56d704b64f","lessThan":"25760a41e3802f54aadcc31385543665ab349b8e","status":"affected","versionType":"git"},{"version":"d98883f6c33e0d960afedcecaa92fc2b61fec383","lessThan":"7c4260f8f188df32414a5ecad63e8b934c2aa3f0","status":"affected","versionType":"git"},{"version":"13bac861952a78664907a0f927d3e874e9a59034","lessThan":"ba95409d6b580501ff6d78efd00064f7df669926","status":"affected","versionType":"git"},{"version":"13bac861952a78664907a0f927d3e874e9a59034","lessThan":"b8bcff99b07cc175a6ee12a52db51cdd2229586c","status":"affected","versionType":"git"},{"version":"13bac861952a78664907a0f927d3e874e9a59034","lessThan":"1afac08b39d85437187bb2a92d89a741b1078f55","status":"affected","versionType":"git"},{"version":"5d33bd6b4d4d035e42733592899918a18f2540da","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/hw/hfi1/pio.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"5.4.224","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.154","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.78","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.8","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","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":"5.4.157","versionEndExcluding":"5.4.224"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.77","versionEndExcluding":"5.10.154"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.0.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14.16"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/25760a41e3802f54aadcc31385543665ab349b8e"},{"url":"https://git.kernel.org/stable/c/7c4260f8f188df32414a5ecad63e8b934c2aa3f0"},{"url":"https://git.kernel.org/stable/c/ba95409d6b580501ff6d78efd00064f7df669926"},{"url":"https://git.kernel.org/stable/c/b8bcff99b07cc175a6ee12a52db51cdd2229586c"},{"url":"https://git.kernel.org/stable/c/1afac08b39d85437187bb2a92d89a741b1078f55"}],"title":"IB/hfi1: Correctly move list in sc_disable()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2025-10-01T14:55:37.542549Z","id":"CVE-2022-49931","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T14:55:40.268Z"}}]}}