CVE-2022-49498

EUVD-2022-54731
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CISA-ADPADP
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 10%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.6 ≤
𝑥
< 5.10.121
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.46
linuxlinux_kernel
5.16 ≤
𝑥
< 5.17.14
linuxlinux_kernel
5.18 ≤
𝑥
< 5.18.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.123-1
fixed
bookworm (security)
6.1.128-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.234-1
fixed
sid
6.12.16-1
fixed
trixie
6.12.12-1
fixed
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b
https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3
https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2
https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6
https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123
https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca