| Name | CVE-2026-31743 |
| Description | In the Linux kernel, the following vulnerability has been resolved: nvmem: zynqmp_nvmem: Fix buffer size in DMA and memcpy Buffer size used in dma allocation and memcpy is wrong. It can lead to undersized DMA buffer access and possible memory corruption. use correct buffer size in dma_alloc_coherent and memcpy. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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) | 5.10.251-5 | fixed |
| bookworm | 6.1.170-3 | fixed |
| bookworm (security) | 6.1.172-1 | fixed |
| trixie | 6.12.86-1 | fixed |
| trixie (security) | 6.12.90-1 | fixed |
| forky | 7.0.7-1 | fixed |
| sid | 7.0.9-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | bullseye | (not affected) | | | |
| linux | source | bookworm | (not affected) | | | |
| linux | source | trixie | 6.12.85-1 | | | |
| linux | source | (unstable) | 6.19.12-1 | | | |
Notes
[bookworm] - linux <not-affected> (Vulnerable code not present)
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/f9b88613ff402aa6fe8fd020573cb95867ae947e (7.0-rc7)