CVE-2023-42755
medium
CVSS v3
—
VIR risk
5.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rocky | 8 | fixed | |
| sles | affected | | |
| debian | bookworm | fixed | 6.1.55-1 |
| debian | bullseye | fixed | 5.10.197-1 |
| debian | forky | fixed | 6.3.7-1 |
| debian | sid | fixed | 6.3.7-1 |
| debian | trixie | fixed | 6.3.7-1 |
| almalinux | 8 | fixed | kernel-abi-stablelists-4.18.0-553.el8_10.noarch.rpm |
References
- https://errata.rockylinux.org/RLSA-2024:2950
- https://www.suse.com/security/cve/CVE-2023-42755.html
- https://security-tracker.debian.org/tracker/CVE-2023-42755
- https://access.redhat.com/errata/RHSA-2024:3138
- https://bugzilla.redhat.com/1731000
- https://bugzilla.redhat.com/1746732
- https://bugzilla.redhat.com/1888726
- https://bugzilla.redhat.com/1999589
- https://bugzilla.redhat.com/2039178
- https://bugzilla.redhat.com/2043520
- https://bugzilla.redhat.com/2044578
- https://bugzilla.redhat.com/2150953
- https://bugzilla.redhat.com/2151959
- https://bugzilla.redhat.com/2177759
- https://bugzilla.redhat.com/2179892
- https://bugzilla.redhat.com/2213132
- https://bugzilla.redhat.com/2218332
- https://bugzilla.redhat.com/2219359
- https://bugzilla.redhat.com/2221039
- https://bugzilla.redhat.com/2221463
- https://bugzilla.redhat.com/2221702
- https://bugzilla.redhat.com/2226777
- https://bugzilla.redhat.com/2226784
- https://bugzilla.redhat.com/2226787
- https://bugzilla.redhat.com/2226788
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