Incomplete Internal State Distinction Affecting kernel-rt-debug-kvm package, versions *
Threat Intelligence
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Test your applications- Snyk IDSNYK-CENTOS9-KERNELRTDEBUGKVM-7584557
- published5 Aug 2024
- disclosed29 Jul 2024
Introduced: 29 Jul 2024
CVE-2024-41068 (opens in a new tab)How to fix?
There is no fixed version for Centos:9 kernel-rt-debug-kvm.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-kvm package and not the kernel-rt-debug-kvm package as distributed by Centos.
See How to fix? for Centos:9 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
s390/sclp: Fix sclp_init() cleanup on failure
If sclp_init() fails it only partially cleans up: if there are multiple failing calls to sclp_init() sclp_state_change_event will be added several times to sclp_reg_list, which results in the following warning:
------------[ cut here ]------------ list_add double add: new=000003ffe1598c10, prev=000003ffe1598bf0, next=000003ffe1598c10. WARNING: CPU: 0 PID: 1 at lib/list_debug.c:35 __list_add_valid_or_report+0xde/0xf8 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.10.0-rc3 Krnl PSW : 0404c00180000000 000003ffe0d6076a (__list_add_valid_or_report+0xe2/0xf8) R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 RI:0 EA:3 ... Call Trace: [<000003ffe0d6076a>] __list_add_valid_or_report+0xe2/0xf8 ([<000003ffe0d60766>] __list_add_valid_or_report+0xde/0xf8) [<000003ffe0a8d37e>] sclp_init+0x40e/0x450 [<000003ffe00009f2>] do_one_initcall+0x42/0x1e0 [<000003ffe15b77a6>] do_initcalls+0x126/0x150 [<000003ffe15b7a0a>] kernel_init_freeable+0x1ba/0x1f8 [<000003ffe0d6650e>] kernel_init+0x2e/0x180 [<000003ffe000301c>] __ret_from_fork+0x3c/0x60 [<000003ffe0d759ca>] ret_from_fork+0xa/0x30
Fix this by removing sclp_state_change_event from sclp_reg_list when sclp_init() fails.
References
- https://access.redhat.com/security/cve/CVE-2024-41068
- https://git.kernel.org/stable/c/0a31b3fdc7e735c4f8c65fe4339945c717ed6808
- https://git.kernel.org/stable/c/2e51db7ab71b89dc5a17068f5e201c69f13a4c9a
- https://git.kernel.org/stable/c/455a6653d8700a81aa8ed2b6442a3be476007090
- https://git.kernel.org/stable/c/6434b33faaa063df500af355ee6c3942e0f8d982
- https://git.kernel.org/stable/c/79b4be70d5a160969b805f638ac5b4efd0aac7a3
- https://git.kernel.org/stable/c/a778987afc36d5dc02a1f82d352a81edcaf7eb83
- https://git.kernel.org/stable/c/be0259796d0b76bbc7461e12c186814a9e58244c
- https://git.kernel.org/stable/c/cf521049fcd07071ed42dc9758fce7d5ee120ec6