GHSA-xv49-pvqx-8xr6MediumCVSS 5.5
A flaw was found in the Linux kernel Traffic Control (TC) subsystem. Using a specific networking...
🔗 CVE IDs covered (1)
📋 Description
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.
🔗 References (8)
- https://nvd.nist.gov/vuln/detail/CVE-2022-4269
- https://www.debian.org/security/2023/dsa-5480
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti%40redhat.com
- https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti@redhat.com
- https://security.netapp.com/advisory/ntap-20230929-0001
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://github.com/advisories/GHSA-xv49-pvqx-8xr6