medium5.5
CVE-2022-4269
A flaw was found in the Linux kernel Traffic Control (TC) subsystem.
Impact
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking configuration (redirecting egress packets to ingress using TC action "mirred") a local unprivileged user could trigger a CPU soft lockup (ABBA deadlock) when the transport protocol in use (TCP or SCTP) does a retransmission, resulting in a denial of service condition.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | Version 4.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti%40redhat.com/
- https://security.netapp.com/advisory/ntap-20230929-0001/
- https://www.debian.org/security/2023/dsa-5480
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html