CVE-2023-40283
High
Description
An issue was discovered in l2cap_sock_release in net/bluetooth/l2cap_sock.c in the Linux kernel before 6.4.10. There is a use-after-free because the children of an sk are mishandled.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedAug 14, 2023
First seenAug 14, 2023
Weakness typeCWE-416Use after free
How to fix
Update
- linux linux_kernel4.14.322, 4.19.291, 5.4.253, 5.10.190, 5.15.126, 6.1.45, 6.4.10 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 3.5 ≤ v < 4.14.322, 4.15 ≤ v < 4.19.291, 4.20 ≤ v < 5.4.253, 5.5 ≤ v < 5.10.190, 5.11 ≤ v < 5.15.126, 5.16 ≤ v < 6.1.45, 6.2 ≤ v < 6.4.10 | 4.14.322, 4.19.291, 5.4.253, 5.10.190, 5.15.126, 6.1.45, 6.4.10 |
| debian debian_linux | 10.0, 11.0, 12.0 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 20.04, 22.04 | — |
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