VulnerabilityModified
CVE-2023-53297
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock…
MEDIUM 5.5EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp conn->chan_lock isn't acquired before l2cap_get_chan_by_scid, if l2cap_get_chan_by_scid returns NULL, then 'bad unlock balance' is triggered.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/116b9c002c894097adc2b8684db2d1da4229ed46Patch
- https://git.kernel.org/stable/c/2112c4c47d36bc5aba3ddeb9afedce6ae6a67e7dPatch
- https://git.kernel.org/stable/c/25e97f7b1866e6b8503be349eeea44bb52d661cePatch
- https://git.kernel.org/stable/c/5134556c9be582793f30695c09d18a26fe1ff2d7Patch
- https://git.kernel.org/stable/c/55410a9144c76ecda126e6cdec556dfcd8f343b2Patch
- https://git.kernel.org/stable/c/5f352a56f0e607e6ff539cbf12156bfd8af232bePatch
- https://git.kernel.org/stable/c/6a27762340ad08643de3bc17fe1646ea489ca2e2Patch
- https://git.kernel.org/stable/c/fd269a0435f8e9943b7a57c5a59688848d42d449Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.