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 (0.27%). 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
- 0.27% probability · 19th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.