5.5
CVSSv3

CVE-2022-4269

Published: 05/12/2022 Updated: 20/10/2023
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 0

Vulnerability Summary

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. (CVE-2022-4269) RESERVEDNOTE: www.openwall.com/lists/oss-security/2022/12/14/3NOTE: lore.kernel.org/all/1670885411-10060-1-git-send-email-dai.ngo@oracle.com/ (CVE-2022-4379) do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel up to and including 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference). (CVE-2023-28466)

Vulnerability Trend

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linux linux kernel 4.1

Vendor Advisories

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks CVE-2022-4269 William Zhao discovered that a flaw in the Traffic Control (TC) subsystem when using a specific networking configuration (redirecting egress packets to ingress using TC action m ...
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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 ser ...
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 ser ...