Name | CVE-2021-3753 |
Description | A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality. |
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-2785-1, DLA-2843-1, DSA-4978-1, ELA-535-1 |
The table below lists information on source packages.
Source Package | Release | Version | Status |
---|---|---|---|
linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
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 | 6.1.106-3 | fixed | |
bookworm (security) | 6.1.112-1 | fixed | |
trixie | 6.10.11-1 | fixed | |
sid | 6.11.2-1 | fixed | |
linux-4.19 (PTS) | stretch (security) | 4.19.232-1~deb9u1 | fixed |
stretch (lts), stretch | 4.19.316-1~deb9u1 | 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 | jessie | (unfixed) | end-of-life | ||
linux | source | stretch | 4.9.290-1 | DLA-2843-1 | ||
linux | source | buster | 4.19.208-1 | |||
linux | source | bullseye | 5.10.46-5 | DSA-4978-1 | ||
linux | source | (unstable) | 5.14.6-1 | |||
linux-4.19 | source | stretch | 4.19.208-1~deb9u1 | DLA-2785-1 | ||
linux-4.9 | source | jessie | 4.9.290-1~deb8u1 | ELA-535-1 |
https://git.kernel.org/linus/2287a51ba822384834dafc1c798453375d1107c7