What’s Vulnerable › Vulnerabilities
CVE-2022-45934
- Severity: high (CVSS 7.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.8% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2022-11-27 · updated 2026-06-17
- Weakness: CWE-190
Description
An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.
Affected products
- Debian Linux: 11.0
- Fedoraproject Fedora: 37
- Linux kernel: from 2.6.32 before 4.9.337; from 4.10 before 4.14.303; from 4.15 before 4.19.270; from 4.20 before 5.4.229; from 5.5 before 5.10.161; from 5.11 before 5.15.85 — fixed in 4.14.303, 4.19.270, 4.9.337, 5.10.161, 5.15.85, 5.4.229
- NetApp H300S Firmware: all versions
- NetApp H410C Firmware: all versions
- NetApp H410S Firmware: all versions
- NetApp H500S Firmware: all versions
- NetApp H700S Firmware: all versions
How to fix
Upgrade to a fixed version: Linux kernel 4.14.303, 4.19.270, 4.9.337, 5.10.161. Check the vendor advisory for mitigations.
References
- https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=ae4569813a6e931258db627cdfe50dfb4f917d5d
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDAKCGDW6CQ6G3RZWYZJO454R3L5CTQB/
- https://security.netapp.com/advisory/ntap-20230113-0008/
- https://www.debian.org/security/2023/dsa-5324
- https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=ae4569813a6e931258db627cdfe50dfb4f917d5d
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDAKCGDW6CQ6G3RZWYZJO454R3L5CTQB/
- https://security.netapp.com/advisory/ntap-20230113-0008/
- https://www.debian.org/security/2023/dsa-5324
Get alerted when CVE-2022-45934 or the next vulnerability affects your stack