From bippy-c9c4e1df01b2 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman To: Reply-to: , Subject: CVE-2024-38628: usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind. Description =========== In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_audio: Fix race condition use of controls after free during gadget unbind. Hang on to the control IDs instead of pointers since those are correctly handled with locks. The Linux kernel CVE team has assigned CVE-2024-38628 to this issue. Affected and fixed versions =========================== Issue introduced in 5.15 with commit 02de698ca812 and fixed in 6.1.93 with commit 89e668096844 Issue introduced in 5.15 with commit 02de698ca812 and fixed in 6.6.33 with commit 453d3fa9266e Issue introduced in 5.15 with commit 02de698ca812 and fixed in 6.9.4 with commit bea73b58ab67 Issue introduced in 5.15 with commit 02de698ca812 and fixed in 6.10 with commit 1b739388aa3f 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-2024-38628 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/usb/gadget/function/u_audio.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/89e66809684485590ea0b32c3178e42cba36ac09 https://git.kernel.org/stable/c/453d3fa9266e53f85377b911c19b9a4563fa88c0 https://git.kernel.org/stable/c/bea73b58ab67fe581037ad9cdb93c2557590c068 https://git.kernel.org/stable/c/1b739388aa3f8dfb63a9fca777e6dfa6912d0464