CVE-2022-49268

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49268
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM Do not call snd_dma_free_pages() when snd_dma_alloc_pages() returns -ENOMEM because it leads to a NULL pointer dereference bug. The dmesg says: [ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: memory alloc failed: -12 [ T1387] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ T1387] #PF: supervisor read access in kernel mode [ T1387] #PF: error_code(0x0000) - not-present page [ T1387] PGD 0 P4D 0 [ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI [ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: G W 5.17.0-rc4-superb-owl-00055-g80d47f5de5e3 [ T1387] Hardware name: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 09/15/2021 [ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80 [ T1387] Code: [... snip ...] [ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246 [ T1387] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0 [ T1387] RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000 [ T1387] R10: 0000000000000000 R11: ffffc90002b874d0 R12: 0000000000000001 [ 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] Call Trace: [ T1387] <TASK> [ T1387] cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1] [... snip ...] [ T1387] </TASK>

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/01df5f7627f1624d6bb0b8c0870a569b32adfbf8 Patch
https://git.kernel.org/stable/c/09eca322d4118dc26570ca6100fa34e59e5a5143 Patch
https://git.kernel.org/stable/c/0c307349fe060971625b856c92f0361b8ea9a120 Patch
https://git.kernel.org/stable/c/67f7bd9ff9079c1ee2de58e024fb582905c74c16 Patch
https://git.kernel.org/stable/c/b6094744e261083d3790c3def770ebf5060d383b Patch
https://git.kernel.org/stable/c/b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
History

22 Sep 2025, 20:31

Type Values Removed Values Added
CWE CWE-476
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/01df5f7627f1624d6bb0b8c0870a569b32adfbf8 - () https://git.kernel.org/stable/c/01df5f7627f1624d6bb0b8c0870a569b32adfbf8 - Patch
References () https://git.kernel.org/stable/c/09eca322d4118dc26570ca6100fa34e59e5a5143 - () https://git.kernel.org/stable/c/09eca322d4118dc26570ca6100fa34e59e5a5143 - Patch
References () https://git.kernel.org/stable/c/0c307349fe060971625b856c92f0361b8ea9a120 - () https://git.kernel.org/stable/c/0c307349fe060971625b856c92f0361b8ea9a120 - Patch
References () https://git.kernel.org/stable/c/67f7bd9ff9079c1ee2de58e024fb582905c74c16 - () https://git.kernel.org/stable/c/67f7bd9ff9079c1ee2de58e024fb582905c74c16 - Patch
References () https://git.kernel.org/stable/c/b6094744e261083d3790c3def770ebf5060d383b - () https://git.kernel.org/stable/c/b6094744e261083d3790c3def770ebf5060d383b - Patch
References () https://git.kernel.org/stable/c/b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9 - () https://git.kernel.org/stable/c/b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9 - Patch
Summary
  • (es) 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]

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-09-22 20:31

NVD link : CVE-2022-49268

Mitre link : CVE-2022-49268

CVE.ORG link : CVE-2022-49268

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference