Name | CVE-2023-3439 |
Description | A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However, a running routine may be unaware of this and cause the use-after-free of the mdev->addrs object, potentially leading to a denial of service. |
Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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) | 5.10.226-1 | 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 |
The information below is based on the following data on fixed versions.
Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
---|
linux | source | buster | (not affected) | | | |
linux | source | bullseye | (not affected) | | | |
linux | source | (unstable) | 5.17.6-1 | | | |
Notes
[bullseye] - linux <not-affected> (Vulnerable code not present)
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/b561275d633bcd8e0e8055ab86f1a13df75a0269 (5.18-rc5)
https://www.openwall.com/lists/oss-security/2023/07/02/1