| Name | CVE-2019-14835 |
| Description | A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1930-1, DLA-1940-1, DSA-4531-1, ELA-172-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | fixed |
| stretch (security) | 4.9.320-2 | fixed | |
| stretch (lts), stretch | 4.9.320-3 | fixed | |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed | |
| bullseye | 5.10.223-1 | fixed | |
| bullseye (security) | 5.10.226-1 | fixed | |
| bookworm | 6.1.115-1 | fixed | |
| bookworm (security) | 6.1.112-1 | fixed | |
| trixie | 6.11.7-1 | fixed | |
| sid | 6.11.9-1 | fixed | |
| linux-4.9 (PTS) | jessie, jessie (lts) | 4.9.303-1~deb8u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | (unfixed) | end-of-life | ||
| linux | source | jessie | 3.16.74-1 | DLA-1930-1 | ||
| linux | source | stretch | 4.9.189-3+deb9u1 | DSA-4531-1 | ||
| linux | source | buster | 4.19.67-2+deb10u1 | DSA-4531-1 | ||
| linux | source | (unstable) | 5.2.17-1 | |||
| linux-4.9 | source | jessie | 4.9.189-3+deb9u1~deb8u1 | DLA-1940-1 |
https://www.openwall.com/lists/oss-security/2019/09/17/1
https://git.kernel.org/linus/060423bfdee3f8bc6e2c1bac97de24d5415e2bc4