| Name | CVE-2020-12768 |
| Description | An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4699-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.237-1 | fixed |
| bookworm | 6.1.137-1 | fixed |
| bookworm (security) | 6.1.140-1 | fixed |
| trixie (security) | 6.12.31-1 | fixed |
| sid, trixie | 6.12.33-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | jessie | (not affected) | | | |
| linux | source | stretch | (not affected) | | | |
| linux | source | buster | 4.19.118-2+deb10u1 | | DSA-4699-1 | |
| linux | source | (unstable) | 5.6.7-1 | unimportant | | |
Notes
[stretch] - linux <not-affected> (Vulnerability introduced later)
[jessie] - linux <not-affected> (Vulnerability introduced later)
https://git.kernel.org/linus/d80b64ff297e40c2b6f7d7abc1b3eba70d22a068 (5.6-rc4)