CVE-2024-35808 Affecting kernel-64kb-devel package, versions <6.4.0-150600.23.7.3
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Test your applications- Snyk ID SNYK-SLES156-KERNEL64KBDEVEL-7716642
- published 20 Aug 2024
- disclosed 25 Jun 2024
Introduced: 25 Jun 2024
CVE-2024-35808 Open this link in a new tabHow to fix?
Upgrade SLES:15.6 kernel-64kb-devel to version 6.4.0-150600.23.7.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-64kb-devel package and not the kernel-64kb-devel 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:
md/dm-raid: don't call md_reap_sync_thread() directly
Currently md_reap_sync_thread() is called from raid_message() directly without holding 'reconfig_mutex', this is definitely unsafe because md_reap_sync_thread() can change many fields that is protected by 'reconfig_mutex'.
However, hold 'reconfig_mutex' here is still problematic because this will cause deadlock, for example, commit 130443d60b1b ("md: refactor idle/frozen_sync_thread() to fix deadlock").
Fix this problem by using stop_sync_thread() to unregister sync_thread, like md/raid did.
References
- https://www.suse.com/security/cve/CVE-2024-35808.html
- https://bugzilla.suse.com/1224623
- https://git.kernel.org/stable/c/347dcdc15a1706f61aa545ae498ededdf31aeebc
- https://git.kernel.org/stable/c/9e59b8d76ff511505eb0dd1478329f09e0f04669
- https://git.kernel.org/stable/c/cd32b27a66db8776d8b8e82ec7d7dde97a8693b0