Improper Locking Affecting dlm-kmp-default package, versions <6.4.0-150600.23.22.1
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Test your applications- Snyk ID SNYK-SLES156-DLMKMPDEFAULT-8079276
- published 24 Sep 2024
- disclosed 23 Sep 2024
Introduced: 23 Sep 2024
CVE-2024-42268 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 dlm-kmp-default to version 6.4.0-150600.23.22.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream dlm-kmp-default package and not the dlm-kmp-default package as distributed by SLES.
See How to fix? for SLES:15.6 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
net/mlx5: Fix missing lock on sync reset reload
On sync reset reload work, when remote host updates devlink on reload actions performed on that host, it misses taking devlink lock before calling devlink_remote_reload_actions_performed() which results in triggering lock assert like the following:
WARNING: CPU: 4 PID: 1164 at net/devlink/core.c:261 devl_assert_locked+0x3e/0x50 … CPU: 4 PID: 1164 Comm: kworker/u96:6 Tainted: G S W 6.10.0-rc2+ #116 Hardware name: Supermicro SYS-2028TP-DECTR/X10DRT-PT, BIOS 2.0 12/18/2015 Workqueue: mlx5_fw_reset_events mlx5_sync_reset_reload_work [mlx5_core] RIP: 0010:devl_assert_locked+0x3e/0x50 … Call Trace: <TASK> ? __warn+0xa4/0x210 ? devl_assert_locked+0x3e/0x50 ? report_bug+0x160/0x280 ? handle_bug+0x3f/0x80 ? exc_invalid_op+0x17/0x40 ? asm_exc_invalid_op+0x1a/0x20 ? devl_assert_locked+0x3e/0x50 devlink_notify+0x88/0x2b0 ? mlx5_attach_device+0x20c/0x230 [mlx5_core] ? __pfx_devlink_notify+0x10/0x10 ? process_one_work+0x4b6/0xbb0 process_one_work+0x4b6/0xbb0 […]
References
- https://www.suse.com/security/cve/CVE-2024-42268.html
- https://bugzilla.suse.com/1229391
- https://git.kernel.org/stable/c/091268f3c27a5b6d7858a3bb2a0dbcc9cd26ddb5
- https://git.kernel.org/stable/c/572f9caa9e7295f8c8822e4122c7ae8f1c412ff9
- https://git.kernel.org/stable/c/5d07d1d40aabfd61bab21115639bd4f641db6002
- https://git.kernel.org/stable/c/98884e89c90d077f6fe6ba18e6cf6f914642f04e