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Message-ID: <2024110557-CVE-2024-50125-5fd3@gregkh> Date: Tue, 5 Nov 2024 18:11:14 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2024-50125: Bluetooth: SCO: Fix UAF on sco_sock_timeout Description =========== In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix UAF on sco_sock_timeout conn->sk maybe have been unlinked/freed while waiting for sco_conn_lock so this checks if the conn->sk is still valid by checking if it part of sco_sk_list. The Linux kernel CVE team has assigned CVE-2024-50125 to this issue. Affected and fixed versions =========================== Issue introduced in 5.15 with commit ba316be1b6a0 and fixed in 6.1.115 with commit 9ddda5d967e8 Issue introduced in 5.15 with commit ba316be1b6a0 and fixed in 6.6.59 with commit d30803f6a972 Issue introduced in 5.15 with commit ba316be1b6a0 and fixed in 6.11.6 with commit 80b05fbfa998 Issue introduced in 5.15 with commit ba316be1b6a0 and fixed in 6.12-rc5 with commit 1bf4470a3939 Issue introduced in 4.14.263 with commit fea63ccd928c Issue introduced in 4.19.207 with commit 48669c81a656 Issue introduced in 5.4.148 with commit 37d7ae2b0578 Issue introduced in 5.10.67 with commit a1073aad497d Issue introduced in 5.13.19 with commit ec1f74319bb3 Issue introduced in 5.14.6 with commit b657bba82ff6 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-2024-50125 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: include/net/bluetooth/bluetooth.h net/bluetooth/af_bluetooth.c net/bluetooth/sco.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/9ddda5d967e84796e7df1b54a55f36b4b9f21079 https://git.kernel.org/stable/c/d30803f6a972b5b9e26d1d43b583c7ec151de04b https://git.kernel.org/stable/c/80b05fbfa998480fb3d5299d93eab946f51e9c36 https://git.kernel.org/stable/c/1bf4470a3939c678fb822073e9ea77a0560bc6bb
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