CVE-2023-42755
A flaw was found in the IPv4 Resource Reservation Protocol (RSVP) classifier in the Linux kernel.
Published Oct 5, 2023 · updated Oct 15, 2026 · linux linux kernel
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 function. This issue may allow a local user to crash the system and cause a denial of service.
Timeline
Detection, updates, and resolution for this record.
Oct 5, 2023 · NIST NVD
Detected
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 function. This issue may allow a local user to crash the system and cause a denial of service.
Oct 15, 2026 · NIST NVD
Updated
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 function. This issue may allow a local user to crash the system and cause a denial of service.
Affected
- cpe debian/debian linux10.0
- cpe linux/linux kernelversion unspecified
- cpe redhat/enterprise linux8.0
Sources
- CVE.orgCVE-2023-42755
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-42755
30-day exploitation probability 0.4%
first.org - NIST NVDCVE-2023-42755
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 function. This issue may allow a local user to crash the system and
nvd.nist.gov