Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug-devel-matched (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL9-KERNELRTDEBUGDEVELMATCHED-14303021
- published10 Dec 2025
- disclosed9 Dec 2025
Introduced: 9 Dec 2025
CVE-2023-53827 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:9.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug-devel-matched package and not the kernel-rt-debug-devel-matched package as distributed by RHEL.
In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.
References
- https://access.redhat.com/security/cve/CVE-2023-53827
- https://git.kernel.org/stable/c/1351551aa9058e07a20a27a158270cf84fcde621
- https://git.kernel.org/stable/c/348d446762e7c70778df8bafbdf3fa0df2123f58
- https://git.kernel.org/stable/c/a2a9339e1c9deb7e1e079e12e27a0265aea8421a
- https://git.kernel.org/stable/c/ac6725a634f7e8c0330610a8527f20c730b61115
- https://git.kernel.org/stable/c/c02421992505c95c7f3c9ad59ee35e22eac60988
- https://git.kernel.org/stable/c/d82a439c3cfdb28aa7e82e2e849c5c4dd9fca284
- https://git.kernel.org/stable/c/d9ba36c22a7bb09d6bac4cc2f243eff05da53f43
- https://git.kernel.org/stable/c/f2d38e77aa5f3effc143e7dd24da8acf02925958