CVE-2022-49538
ALSA: jack: Access input_dev under mutex
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
In the Linux kernel, the following vulnerability has been resolved: ALSA: jack: Access input_dev under mutex It is possible when using ASoC that input_dev is unregistered while calling snd_jack_report, which causes NULL pointer dereference. In order to prevent this serialize access to input_dev using mutex lock.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
3.13
References 9
git.kernel.org
- stable/c/74bab3bcf422593c582e47130aa8eb41ebb2dc09
- stable/c/8487a88136d54a1a4d3f26f1399685db648ab879
- stable/c/c093b62c40027c21d649c5534ad7aa3605a99b00
- stable/c/f68bed124c7699e23ffb4ce4fcc84671e9193cde
- stable/c/e2b8681769f6e205382f026b907d28aa5ec9d59a
- stable/c/5cc6f623f4818c7d7e9e966a45ebf324901ca9c5
- stable/c/9e6a73b0c0f2014eb89249fb1640c5a3d58221c4
- stable/c/582aea6084cc59fec881204f026816d1219f2348
- stable/c/1b6a6fc5280e97559287b61eade2d4b363e836f2