Use After Free Affecting kernel-bootwrapper package, versions *
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-8299822
- published 23 Oct 2024
- disclosed 21 Oct 2024
Introduced: 21 Oct 2024
CVE-2024-49951 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel-bootwrapper.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: MGMT: Fix possible crash on mgmt_index_removed
If mgmt_index_removed is called while there are commands queued on cmd_sync it could lead to crashes like the bellow trace:
0x0000053D: __list_del_entry_valid_or_report+0x98/0xdc 0x0000053D: mgmt_pending_remove+0x18/0x58 [bluetooth] 0x0000053E: mgmt_remove_adv_monitor_complete+0x80/0x108 [bluetooth] 0x0000053E: hci_cmd_sync_work+0xbc/0x164 [bluetooth]
So while handling mgmt_index_removed this attempts to dequeue commands passed as user_data to cmd_sync.
References
- https://access.redhat.com/security/cve/CVE-2024-49951
- https://git.kernel.org/stable/c/0cc47233af35fb5f10b5e6a027cb4ccd480caf9a
- https://git.kernel.org/stable/c/4883296505aa7e4863c6869b689afb6005633b23
- https://git.kernel.org/stable/c/8c3f7943a29145d8a2d8e24893762f7673323eae
- https://git.kernel.org/stable/c/f53e1c9c726d83092167f2226f32bd3b73f26c21