[ciqlts9_6] Multiple patches tested (5 commits)#1173
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jira VULN-163237 cve CVE-2025-38568 commit-author Maher Azzouzi <maherazz04@gmail.com> commit ffd2dc4 TCA_MQPRIO_TC_ENTRY_INDEX is validated using NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QUEUE), which allows the value TC_QOPT_MAX_QUEUE (16). This leads to a 4-byte out-of-bounds stack write in the fp[] array, which only has room for 16 elements (0–15). Fix this by changing the policy to allow only up to TC_QOPT_MAX_QUEUE - 1. Fixes: f62af20 ("net/sched: mqprio: allow per-TC user input of FP adminStatus") Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Maher Azzouzi <maherazz04@gmail.com> Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com> Link: https://patch.msgid.link/20250802001857.2702497-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> (cherry picked from commit ffd2dc4) Signed-off-by: CIQ Kernel Automation <ciq_kernel_automation@ciq.com>
jira VULN-162161 cve CVE-2025-39806 commit-author Qasim Ijaz <qasdev00@gmail.com> commit 0379eb8 A malicious HID device can trigger a slab out-of-bounds during mt_report_fixup() by passing in report descriptor smaller than 607 bytes. mt_report_fixup() attempts to patch byte offset 607 of the descriptor with 0x25 by first checking if byte offset 607 is 0x15 however it lacks bounds checks to verify if the descriptor is big enough before conducting this check. Fix this bug by ensuring the descriptor size is at least 608 bytes before accessing it. Below is the KASAN splat after the out of bounds access happens: [ 13.671954] ================================================================== [ 13.672667] BUG: KASAN: slab-out-of-bounds in mt_report_fixup+0x103/0x110 [ 13.673297] Read of size 1 at addr ffff888103df39df by task kworker/0:1/10 [ 13.673297] [ 13.673297] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.15.0-00005-gec5d573d83f4-dirty #3 [ 13.673297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/04 [ 13.673297] Call Trace: [ 13.673297] <TASK> [ 13.673297] dump_stack_lvl+0x5f/0x80 [ 13.673297] print_report+0xd1/0x660 [ 13.673297] kasan_report+0xe5/0x120 [ 13.673297] __asan_report_load1_noabort+0x18/0x20 [ 13.673297] mt_report_fixup+0x103/0x110 [ 13.673297] hid_open_report+0x1ef/0x810 [ 13.673297] mt_probe+0x422/0x960 [ 13.673297] hid_device_probe+0x2e2/0x6f0 [ 13.673297] really_probe+0x1c6/0x6b0 [ 13.673297] __driver_probe_device+0x24f/0x310 [ 13.673297] driver_probe_device+0x4e/0x220 [ 13.673297] __device_attach_driver+0x169/0x320 [ 13.673297] bus_for_each_drv+0x11d/0x1b0 [ 13.673297] __device_attach+0x1b8/0x3e0 [ 13.673297] device_initial_probe+0x12/0x20 [ 13.673297] bus_probe_device+0x13d/0x180 [ 13.673297] device_add+0xe3a/0x1670 [ 13.673297] hid_add_device+0x31d/0xa40 [...] Fixes: c8000de ("HID: multitouch: Add support for GT7868Q") Cc: stable@vger.kernel.org Signed-off-by: Qasim Ijaz <qasdev00@gmail.com> Reviewed-by: Jiri Slaby <jirislaby@kernel.org> Signed-off-by: Jiri Kosina <jkosina@suse.com> (cherry picked from commit 0379eb8) Signed-off-by: CIQ Kernel Automation <ciq_kernel_automation@ciq.com>
jira VULN-161560 cve CVE-2025-39925 commit-author Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> commit 7fcbe5b syzbot is reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 problem, for j1939 protocol did not have NETDEV_UNREGISTER notification handler for undoing changes made by j1939_sk_bind(). Commit 25fe97c ("can: j1939: move j1939_priv_put() into sk_destruct callback") expects that a call to j1939_priv_put() can be unconditionally delayed until j1939_sk_sock_destruct() is called. But we need to call j1939_priv_put() against an extra ref held by j1939_sk_bind() call (as a part of undoing changes made by j1939_sk_bind()) as soon as NETDEV_UNREGISTER notification fires (i.e. before j1939_sk_sock_destruct() is called via j1939_sk_release()). Otherwise, the extra ref on "struct j1939_priv" held by j1939_sk_bind() call prevents "struct net_device" from dropping the usage count to 1; making it impossible for unregister_netdevice() to continue. Reported-by: syzbot <syzbot+881d65229ca4f9ae8c84@syzkaller.appspotmail.com> Closes: https://syzkaller.appspot.com/bug?extid=881d65229ca4f9ae8c84 Tested-by: syzbot <syzbot+881d65229ca4f9ae8c84@syzkaller.appspotmail.com> Fixes: 9d71dd0 ("can: add support of SAE J1939 protocol") Fixes: 25fe97c ("can: j1939: move j1939_priv_put() into sk_destruct callback") Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Tested-by: Oleksij Rempel <o.rempel@pengutronix.de> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/ac9db9a4-6c30-416e-8b94-96e6559d55b2@I-love.SAKURA.ne.jp [mkl: remove space in front of label] Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> (cherry picked from commit 7fcbe5b) Signed-off-by: CIQ Kernel Automation <ciq_kernel_automation@ciq.com>
jira VULN-161560 cve-bf CVE-2025-39925 commit-author Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> commit 46cea21 There is a theoretical race window in j1939_sk_netdev_event_unregister() where two j1939_sk_bind() calls jump in between read_unlock_bh() and lock_sock(). The assumption jsk->priv == priv can fail if the first j1939_sk_bind() call once made jsk->priv == NULL due to failed j1939_local_ecu_get() call and the second j1939_sk_bind() call again made jsk->priv != NULL due to successful j1939_local_ecu_get() call. Since the socket lock is held by both j1939_sk_netdev_event_unregister() and j1939_sk_bind(), checking ndev->reg_state with the socket lock held can reliably make the second j1939_sk_bind() call fail (and close this race window). Fixes: 7fcbe5b ("can: j1939: implement NETDEV_UNREGISTER notification handler") Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/5732921e-247e-4957-a364-da74bd7031d7@I-love.SAKURA.ne.jp Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> (cherry picked from commit 46cea21) Signed-off-by: CIQ Kernel Automation <ciq_kernel_automation@ciq.com>
jira VULN-161560 cve-bf CVE-2025-39925 commit-author Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> commit 93a27b5 Currently NETDEV_UNREGISTER event handler is not calling j1939_cancel_active_session() and j1939_sk_queue_drop_all(). This will result in these calls being skipped when j1939_sk_release() is called. And I guess that the reason syzbot is still reporting unregister_netdevice: waiting for vcan0 to become free. Usage count = 2 is caused by lack of these calls. Calling j1939_cancel_active_session(priv, sk) from j1939_sk_release() can be covered by calling j1939_cancel_active_session(priv, NULL) from j1939_netdev_notify(). Calling j1939_sk_queue_drop_all() from j1939_sk_release() can be covered by calling j1939_sk_netdev_event_netdown() from j1939_netdev_notify(). Therefore, we can reuse j1939_cancel_active_session(priv, NULL) and j1939_sk_netdev_event_netdown(priv) for NETDEV_UNREGISTER event handler. Fixes: 7fcbe5b ("can: j1939: implement NETDEV_UNREGISTER notification handler") Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Tested-by: Oleksij Rempel <o.rempel@pengutronix.de> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://patch.msgid.link/3ad3c7f8-5a74-4b07-a193-cb0725823558@I-love.SAKURA.ne.jp Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> (cherry picked from commit 93a27b5) Signed-off-by: CIQ Kernel Automation <ciq_kernel_automation@ciq.com>
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