From bippy-c9c4e1df01b2 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman To: Reply-to: , Subject: CVE-2024-35937: wifi: cfg80211: check A-MSDU format more carefully Description =========== In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: check A-MSDU format more carefully If it looks like there's another subframe in the A-MSDU but the header isn't fully there, we can end up reading data out of bounds, only to discard later. Make this a bit more careful and check if the subframe header can even be present. The Linux kernel CVE team has assigned CVE-2024-35937 to this issue. Affected and fixed versions =========================== Fixed in 6.1.107 with commit 9eb3bc0973d0 Fixed in 6.6.27 with commit 5d7a8585fbb3 Fixed in 6.8.6 with commit 16da1e1dac23 Fixed in 6.9 with commit 9ad797485692 Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2024-35937 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: net/wireless/util.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/9eb3bc0973d084423a6df21cf2c74692ff05647e https://git.kernel.org/stable/c/5d7a8585fbb31e88fb2a0f581b70667d3300d1e9 https://git.kernel.org/stable/c/16da1e1dac23be45ef6e23c41b1508c400e6c544 https://git.kernel.org/stable/c/9ad7974856926129f190ffbe3beea78460b3b7cc