CVE-2022-49268

CVE.org · Published

Record status: Published
Identifier year (not publication year): 2022
Source publication: Feb 26, 2025
Source updated: May 11, 2026
Imported by cveboard: Oct 24, 2026
Source snapshot: cve_2026-10-24_midnight_baseline · Oct 24, 2026

CNA source text (English)

ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM

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>

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Linux

Vendor: Linux
Product: Linux
Platforms: Unknown
Default status: unaffected

Linux · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	01df5f7627f1624d6bb0b8c0870a569b32adfbf8	Unavailable	None listed
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	0c307349fe060971625b856c92f0361b8ea9a120	Unavailable	None listed
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	b6094744e261083d3790c3def770ebf5060d383b	Unavailable	None listed
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	09eca322d4118dc26570ca6100fa34e59e5a5143	Unavailable	None listed
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	67f7bd9ff9079c1ee2de58e024fb582905c74c16	Unavailable	None listed
d16046ffa6de040bf580a64d5f4d0aa18258a854	`affected`	git	b7fb0ae09009d076964afe4c1a2bde1ee2bd88a9	Unavailable	None listed

Linux

Vendor: Linux
Product: Linux
Platforms: Unknown
Default status: affected

Linux · Scoped product and version facts
Version (version)	Status (status)	Version scheme (versionType)	Exclusive end (lessThan)	Inclusive end (lessThanOrEqual)	Status changes (at → status)
5.2	`affected`	Unavailable	Unavailable	Unavailable	None listed
0	`unaffected`	semver	5.2	Unavailable	None listed
5.4.189	`unaffected`	semver	Unavailable	5.4.*	None listed
5.10.110	`unaffected`	semver	Unavailable	5.10.*	None listed
5.15.33	`unaffected`	semver	Unavailable	5.15.*	None listed
5.16.19	`unaffected`	semver	Unavailable	5.16.*	None listed
5.17.2	`unaffected`	semver	Unavailable	5.17.*	None listed
5.18	`unaffected`	original_commit_for_fix	Unavailable	*	None listed