{"id":"CVE-2022-49498","state":"PUBLISHED","title":"ALSA: pcm: Check for null pointer of pointer substream before dereferencing it","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned.","publishedAt":"2025-02-26T02:13:32.895Z","updatedAt":"2026-05-11T19:01:04.786Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95b30a4312545f2dde9db12bf6a425f35d5a0d77","status":"affected","lessThan":"b2421a196cb0911ea95aec1050a0b830464c8fa6","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"f2c68c52898f623fe84518da4606538d193b0cca","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"7784d22f81a29df2ec57ca90d54f93a35cbcd1a2","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"1f2e28857be1e5c7db39bbc221332215fc5467e3","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"011b559be832194f992f73d6c0d5485f5925a10b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/pcm_memory.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/pcm_memory.c"]}],"references":["https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6","https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca","https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2","https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3","https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123","https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49498.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49498","state":"PUBLISHED","datePublished":"2025-02-26T02:13:32.895Z","dateUpdated":"2026-05-11T19:01:04.786Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.586Z"},"containers":{"cna":{"title":"ALSA: pcm: Check for null pointer of pointer substream before dereferencing it","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: pcm: Check for null pointer of pointer substream before dereferencing it\n\nPointer substream is being dereferenced on the assignment of pointer card\nbefore substream is being null checked with the macro PCM_RUNTIME_CHECK.\nAlthough PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the\nthe pointer check before card is assigned."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95b30a4312545f2dde9db12bf6a425f35d5a0d77","status":"affected","lessThan":"b2421a196cb0911ea95aec1050a0b830464c8fa6","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"f2c68c52898f623fe84518da4606538d193b0cca","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"7784d22f81a29df2ec57ca90d54f93a35cbcd1a2","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"1f2e28857be1e5c7db39bbc221332215fc5467e3","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123","versionType":"git"},{"version":"d4cfb30fce03093ad944e0b44bd8f40bdad5330e","status":"affected","lessThan":"011b559be832194f992f73d6c0d5485f5925a10b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/pcm_memory.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"5.10.121","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.46","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.14","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.3","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/core/pcm_memory.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6"},{"url":"https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca"},{"url":"https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2"},{"url":"https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3"},{"url":"https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123"},{"url":"https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:01:04.786Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.10.121"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.15.46"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.17.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.18.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","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":{"id":"CVE-2022-49498","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:38:39.304232Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:43.194Z"}}]}}}