CVE-2022-49498
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null…
Does this matter?
Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10bPatch
- https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3Patch
- https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2Patch
- https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6Patch
- https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123Patch
- https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0ccaPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.