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Message-ID: <2024052157-CVE-2023-52703-abcb@gregkh> Date: Tue, 21 May 2024 17:23:01 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2023-52703: net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path Description =========== In the Linux kernel, the following vulnerability has been resolved: net/usb: kalmia: Don't pass act_len in usb_bulk_msg error path syzbot reported that act_len in kalmia_send_init_packet() is uninitialized when passing it to the first usb_bulk_msg error path. Jiri Pirko noted that it's pointless to pass it in the error path, and that the value that would be printed in the second error path would be the value of act_len from the first call to usb_bulk_msg.[1] With this in mind, let's just not pass act_len to the usb_bulk_msg error paths. 1: https://lore.kernel.org/lkml/Y9pY61y1nwTuzMOa@nanopsycho/ The Linux kernel CVE team has assigned CVE-2023-52703 to this issue. Affected and fixed versions =========================== Issue introduced in 3.0 with commit d40261236e8e and fixed in 4.14.306 with commit 1b5de7d44890 Issue introduced in 3.0 with commit d40261236e8e and fixed in 4.19.273 with commit 723ef7b66f37 Issue introduced in 3.0 with commit d40261236e8e and fixed in 5.4.232 with commit a753352622b4 Issue introduced in 3.0 with commit d40261236e8e and fixed in 5.10.169 with commit 525bdcb0838d Issue introduced in 3.0 with commit d40261236e8e and fixed in 5.15.95 with commit 338f826d3afe Issue introduced in 3.0 with commit d40261236e8e and fixed in 6.1.13 with commit 02df3170c04a Issue introduced in 3.0 with commit d40261236e8e and fixed in 6.2 with commit c68f345b7c42 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-2023-52703 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/usb/kalmia.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/1b5de7d44890b78519acbcc80d8d1f23ff2872e5 https://git.kernel.org/stable/c/723ef7b66f37c0841f5a451ccbce47ee1641e081 https://git.kernel.org/stable/c/a753352622b4f3c0219e0e9c73114b2848ae6042 https://git.kernel.org/stable/c/525bdcb0838d19d918c7786151ee14661967a030 https://git.kernel.org/stable/c/338f826d3afead6e4df521f7972a4bef04a72efb https://git.kernel.org/stable/c/02df3170c04a8356cd571ab9155a42f030190abc https://git.kernel.org/stable/c/c68f345b7c425b38656e1791a0486769a8797016
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