| Name | CVE-2025-40074 |
| Description | In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use lockdep enabled dst_dev_rcu(). |
| 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) |
| References | DLA-4788-1, DSA-6477-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bookworm | 6.1.176-1 | vulnerable |
| bookworm (security) | 6.1.187-1 | vulnerable | |
| trixie (security), trixie | 6.12.107-1 | fixed | |
| forky | 7.1.13-1 | fixed | |
| sid | 7.2.6-1 | fixed | |
| linux-6.12 (PTS) | bookworm (security) | 6.12.107-1~deb12u1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | trixie | 6.12.107-1 | DSA-6477-1 | ||
| linux | source | (unstable) | 6.17.6-1 | |||
| linux-6.12 | source | bookworm | 6.12.107-1~deb12u1 | DLA-4788-1 |
https://git.kernel.org/linus/6ad8de3cefdb6ffa6708b21c567df0dbf82c43a8 (6.18-rc1)