CVE-2023-53386
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk").
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix potential use-after-free when clear keys Similar to commit c5d2b6fa26b5 ("Bluetooth: Fix use-after-free in hci_remove_ltk/hci_remove_irk"). We can not access k after kfree_rcu() call.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.15% probability · 4th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/35cc42f04bc49f0656f6840cb7451b3df6049649Patch
- https://git.kernel.org/stable/c/3673952cf0c6cf81b06c66a0b788abeeb02ff3aePatch
- https://git.kernel.org/stable/c/942d8cefb022f384d5424f8b90c7878f3f93726fPatch
- https://git.kernel.org/stable/c/94617b736c25091b60e514e2e7aeafcbbee6b700Patch
- https://git.kernel.org/stable/c/da19f35868dfbecfff4f81166c054d2656cb1be4Patch
- https://git.kernel.org/stable/c/e87da6a0ac6e631454e7da53a76aa9fe44aaa5ddPatch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.