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Message-ID: <2024071620-CVE-2022-48836-fb3d@gregkh> Date: Tue, 16 Jul 2024 14:27:21 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Subject: CVE-2022-48836: Input: aiptek - properly check endpoint type Description =========== In the Linux kernel, the following vulnerability has been resolved: Input: aiptek - properly check endpoint type Syzbot reported warning in usb_submit_urb() which is caused by wrong endpoint type. There was a check for the number of endpoints, but not for the type of endpoint. Fix it by replacing old desc.bNumEndpoints check with usb_find_common_endpoints() helper for finding endpoints Fail log: usb 5-1: BOGUS urb xfer, pipe 1 != type 3 WARNING: CPU: 2 PID: 48 at drivers/usb/core/urb.c:502 usb_submit_urb+0xed2/0x18a0 drivers/usb/core/urb.c:502 Modules linked in: CPU: 2 PID: 48 Comm: kworker/2:2 Not tainted 5.17.0-rc6-syzkaller-00226-g07ebd38a0da2 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Workqueue: usb_hub_wq hub_event ... Call Trace: <TASK> aiptek_open+0xd5/0x130 drivers/input/tablet/aiptek.c:830 input_open_device+0x1bb/0x320 drivers/input/input.c:629 kbd_connect+0xfe/0x160 drivers/tty/vt/keyboard.c:1593 The Linux kernel CVE team has assigned CVE-2022-48836 to this issue. Affected and fixed versions =========================== Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 4.9.308 with commit 57277a8b5d88 Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 4.14.273 with commit fc8033a55e27 Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 4.19.236 with commit 6de20111cd0b Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 5.4.187 with commit e732b0412f8c Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 5.10.108 with commit f0d43d22d241 Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 5.15.31 with commit e762f57ff255 Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 5.16.17 with commit 35069e654bca Issue introduced in 4.4 with commit 8e20cf2bce12 and fixed in 5.17 with commit 5600f6986628 Issue introduced in 3.2.79 with commit 90eb3c037fe3 Issue introduced in 3.12.53 with commit a7c0ba06670f 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-2022-48836 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/input/tablet/aiptek.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/57277a8b5d881e02051ba9d7f6cb3f915c229821 https://git.kernel.org/stable/c/fc8033a55e2796d21e370260a784ac9fbb8305a6 https://git.kernel.org/stable/c/6de20111cd0bb7da9b2294073ba00c7d2a6c1c4f https://git.kernel.org/stable/c/e732b0412f8c603d1e998f3bff41b5e7d5c3914c https://git.kernel.org/stable/c/f0d43d22d24182b94d7eb78a2bf6ae7e2b33204a https://git.kernel.org/stable/c/e762f57ff255af28236cd02ca9fc5c7e5a089d31 https://git.kernel.org/stable/c/35069e654bcab567ff8b9f0e68e1caf82c15dcd7 https://git.kernel.org/stable/c/5600f6986628dde8881734090588474f54a540a8
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