{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-17T20:25:57.954","vulnerabilities":[{"cve":{"id":"CVE-2022-49268","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T07:01:03.710","lastModified":"2025-09-22T20:31:32.890","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM\n\nDo not call snd_dma_free_pages() when snd_dma_alloc_pages() returns\n-ENOMEM because it leads to a NULL pointer dereference bug.\n\nThe dmesg says:\n\n  [ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: memory alloc failed: -12\n  [ T1387] BUG: kernel NULL pointer dereference, address: 0000000000000000\n  [ T1387] #PF: supervisor read access in kernel mode\n  [ T1387] #PF: error_code(0x0000) - not-present page\n  [ T1387] PGD 0 P4D 0\n  [ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI\n  [ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: G        W         5.17.0-rc4-superb-owl-00055-g80d47f5de5e3\n  [ T1387] Hardware name: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 09/15/2021\n  [ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80\n  [ T1387] Code: [... snip ...]\n  [ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246\n  [ T1387] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n  [ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0\n  [ T1387] RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000\n  [ T1387] R10: 0000000000000000 R11: ffffc90002b874d0 R12: 0000000000000001\n  [ T1387] R13: 0000000000058000 R14: ffff888105260c68 R15: ffff888105260828\n  [ T1387] FS:  00007f42e2ffd640(0000) GS:ffff888466b80000(0000) knlGS:0000000000000000\n  [ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  [ T1387] CR2: 0000000000000000 CR3: 000000014acf0003 CR4: 0000000000770ee0\n  [ T1387] PKRU: 55555554\n  [ T1387] Call Trace:\n  [ T1387]  <TASK>\n  [ T1387]  cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1]\n  [... snip ...]\n  [ T1387]  </TASK>"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: SOF: Intel: Se corrige la desreferencia de puntero NULL cuando ENOMEM No llame a snd_dma_free_pages() cuando snd_dma_alloc_pages() devuelve -ENOMEM porque conduce a un error de desreferencia de puntero NULL. El dmesg dice: [ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: falla de asignación de memoria: -12 [ T1387] ERROR: desreferencia de puntero NULL del kernel, dirección: 0000000000000000 [ T1387] #PF: acceso de lectura del supervisor en modo kernel [ T1387] #PF: error_code(0x0000) - página no presente [ T1387] PGD 0 P4D 0 [ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI [ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: GW 5.17.0-rc4-superb-owl-00055-g80d47f5de5e3 [ T1387] Nombre del hardware: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 15/09/2021 [ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80 [ T1387] Código: [... fragmento ...] [ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246 [ T1387] RAX: 000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0 [ T1387] RBP: 00000000ffffff4 R08: 000000000000000 R09: 000000000000000 [ T1387] R10: 000000000000000 R11: ffffc90002b874d0 R12: 000000000000001 [ T1387] R13: 0000000000058000 R14: ffff888105260c68 R15: ffff888105260828 [ T1387] FS: 00007f42e2ffd640(0000) GS:ffff888466b80000(0000) knlGS:0000000000000000 [ T1387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ T1387] CR2: 0000000000000000 CR3: 000000014acf0003 CR4: 0000000000770ee0 [ T1387] PKRU: 55555554 [ T1387] Rastreo de llamadas: [ T1387]  [ T1387] cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1] [... recorte ...] [ T1387] "}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.4.189","matchCriteriaId":"1C388193-E002-43D1-9296-FE6FEC623F34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.110","matchCriteriaId":"91D3BFD0-D3F3-4018-957C-96CCBF357D79"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.33","matchCriteriaId":"27C42AE8-B387-43E2-938A-E1C8B40BE6D5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.19","matchCriteriaId":"20C43679-0439-405A-B97F-685BEE50613B"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.2","matchCriteriaId":"210C679C-CF84-44A3-8939-E629C87E54BF"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/01df5f7627f1624d6bb0b8c0870a569b32adfbf8","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/09eca322d4118dc26570ca6100fa34e59e5a5143","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/0c307349fe060971625b856c92f0361b8ea9a120","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/67f7bd9ff9079c1ee2de58e024fb582905c74c16","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b6094744e261083d3790c3def770ebf5060d383b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}