High severity7.8NVD Advisory· Published Dec 15, 2019· Updated Jun 17, 2026
CVE-2019-19807
CVE-2019-19807
Description
In the Linux kernel before 5.3.11, sound/core/timer.c has a use-after-free caused by erroneous code refactoring, aka CID-e7af6307a8a5. This is related to snd_timer_open and snd_timer_close_locked. The timeri variable was originally intended to be for a newly created timer instance, but was used for a different purpose after refactoring.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7- Linux/kerneldescription
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*+ 3 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
7- github.com/torvalds/linux/commit/e7af6307a8a54f0b873960b32b6a644f2d0fbd97nvdPatchThird Party Advisory
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdExploitPatchVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.11nvdRelease NotesVendor Advisory
- security.netapp.com/advisory/ntap-20200103-0001/nvdThird Party Advisory
- usn.ubuntu.com/4225-1/nvdThird Party Advisory
- usn.ubuntu.com/4227-1/nvdThird Party Advisory
- usn.ubuntu.com/4227-2/nvdThird Party Advisory
News mentions
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