PT-2023-5513 · Linux+10 · Linux Kernel+10
Kyle Zeng
·
Published
2023-02-16
·
Updated
2024-11-21
·
CVE-2023-42755
CVSS v3.1
6.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 4.14.326
Linux kernel versions prior to 4.19.295
Linux kernel versions prior to 5.4.257
Linux kernel versions prior to 5.10.197
Linux kernel versions prior to 5.15.133
Linux kernel versions prior to 6.1.55
Linux kernel versions prior to 6.3
Description
A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel. The xprt pointer may go beyond the linear part of the skb, leading to an out-of-bounds read in the
rsvp classify function. This issue may allow a local user to crash the system and cause a denial of service.Recommendations
For Linux kernel versions prior to 4.14.326, update to version 4.14.326 or later.
For Linux kernel versions prior to 4.19.295, update to version 4.19.295 or later.
For Linux kernel versions prior to 5.4.257, update to version 5.4.257 or later.
For Linux kernel versions prior to 5.10.197, update to version 5.10.197 or later.
For Linux kernel versions prior to 5.15.133, update to version 5.15.133 or later.
For Linux kernel versions prior to 6.1.55, update to version 6.1.55 or later.
For Linux kernel versions prior to 6.3, update to version 6.3 or later.
Exploit
Fix
DoS
Out of bounds Read
Buffer Overflow
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu