7.5
CWE
1050
Advisory Published
CVE Published
Updated

CVE-2023-1390

First published: Sat Jan 09 2021(Updated: )

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:4.18.0-305.rt7.72.el8
0:4.18.0-305.rt7.72.el8
redhat/kernel<0:4.18.0-305.el8
0:4.18.0-305.el8
redhat/kernel<0:4.18.0-147.83.1.el8_1
0:4.18.0-147.83.1.el8_1
redhat/kernel<0:4.18.0-193.109.1.el8_2
0:4.18.0-193.109.1.el8_2
redhat/kernel-rt<0:4.18.0-193.109.1.rt13.160.el8_2
0:4.18.0-193.109.1.rt13.160.el8_2
Linux Linux kernel>=4.3<4.9.253
Linux Linux kernel>=4.10<4.14.217
Linux Linux kernel>=4.15<4.19.170
Linux Linux kernel>=4.20<5.4.92
Linux Linux kernel>=5.5<5.10.10
Linux Linux kernel=5.11-rc1
Linux Linux kernel=5.11-rc2
Linux Linux kernel=5.11-rc3
redhat/kernel<5.11
5.11
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.10.11-1
6.11.2-1

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