CVE-2022-49498
ALSA: pcm: Check for null pointer of pointer substream before dereferencing it
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 26, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
95b30a4312545f2dde9db12bf6a425f35d5a0d77 < b2421a196cb0911ea95aec1050a0b830464c8fa6 d4cfb30fce03093ad944e0b44bd8f40bdad5330e < f2c68c52898f623fe84518da4606538d193b0cca d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 1f2e28857be1e5c7db39bbc221332215fc5467e3 d4cfb30fce03093ad944e0b44bd8f40bdad5330e < b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 d4cfb30fce03093ad944e0b44bd8f40bdad5330e < 011b559be832194f992f73d6c0d5485f5925a10b
Linux / Linux
5.6
References
git.kernel.org: https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6 git.kernel.org: https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca git.kernel.org: https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 git.kernel.org: https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3 git.kernel.org: https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 git.kernel.org: https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b