From bippy-c9c4e1df01b2 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman To: Reply-to: , Subject: CVE-2024-38609: wifi: mt76: connac: check for null before dereferencing Description =========== In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: check for null before dereferencing The wcid can be NULL. It should be checked for validity before dereferencing it to avoid crash. The Linux kernel CVE team has assigned CVE-2024-38609 to this issue. Affected and fixed versions =========================== Issue introduced in 6.9 with commit 098428c400ff and fixed in 6.9.3 with commit e469218765b2 Issue introduced in 6.9 with commit 098428c400ff and fixed in 6.10 with commit cb47c7be0e93 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-2024-38609 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: drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.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/e469218765b2781fb968778bd13595acec181a0e https://git.kernel.org/stable/c/cb47c7be0e93dd5acda078163799401ac3a78e10