CVE-2024-0646
Description
An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: alma — https://errata.almalinux.org/8/ALSA-2024-0897.html
Vendor advisory: alma — https://bugzilla.redhat.com/2255139
Vendor advisory: alma — https://bugzilla.redhat.com/2254054
Vendor advisory: alma — https://bugzilla.redhat.com/2254053
Vendor advisory: alma — https://bugzilla.redhat.com/2254052
Vendor advisory: alma — https://bugzilla.redhat.com/2253908
Vendor advisory: alma — https://bugzilla.redhat.com/2253614
Vendor advisory: alma — https://bugzilla.redhat.com/2253611
Vendor advisory: alma — https://bugzilla.redhat.com/2246945
Vendor advisory: alma — https://bugzilla.redhat.com/2246944
Vendor advisory: alma — https://bugzilla.redhat.com/2245514
Vendor advisory: alma — https://bugzilla.redhat.com/2244723
Vendor advisory: alma — https://bugzilla.redhat.com/2237757
Vendor advisory: alma — https://bugzilla.redhat.com/2231800
Vendor advisory: alma — https://bugzilla.redhat.com/2187931
Vendor advisory: alma — https://bugzilla.redhat.com/2187813
Vendor advisory: alma — https://bugzilla.redhat.com/2173403
Vendor advisory: alma — https://bugzilla.redhat.com/2161310
Vendor advisory: alma — https://bugzilla.redhat.com/2144379
Vendor advisory: alma — https://bugzilla.redhat.com/2087568
Vendor advisory: alma — https://access.redhat.com/errata/RHSA-2024:0897
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2024-0646
Vendor advisory: rocky — https://errata.rockylinux.org/RXSA-2024:1248
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2024-0646.html
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2024:1251
Vendor advisory: redhat — https://access.redhat.com/errata/RHSA-2024:1248
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| rhel | 9 | fixed | |
| sles | affected | | |
| rocky | 9 | fixed | |
| debian | bookworm | fixed | 6.1.69-1 |
| debian | bullseye | fixed | 5.10.209-1 |
| debian | forky | fixed | 6.6.8-1 |
| debian | sid | fixed | 6.6.8-1 |
| debian | trixie | fixed | 6.6.8-1 |
| almalinux | 8 | fixed | kernel-doc-4.18.0-513.18.1.el8_9.noarch.rpm |
References
- https://access.redhat.com/errata/RHSA-2024:1248
- https://access.redhat.com/errata/RHSA-2024:1251
- https://www.suse.com/security/cve/CVE-2024-0646.html
- https://errata.rockylinux.org/RXSA-2024:1248
- https://security-tracker.debian.org/tracker/CVE-2024-0646
- https://access.redhat.com/errata/RHSA-2024:0897
- https://bugzilla.redhat.com/2087568
- https://bugzilla.redhat.com/2144379
- https://bugzilla.redhat.com/2161310
- https://bugzilla.redhat.com/2173403
- https://bugzilla.redhat.com/2187813
- https://bugzilla.redhat.com/2187931
- https://bugzilla.redhat.com/2231800
- https://bugzilla.redhat.com/2237757
- https://bugzilla.redhat.com/2244723
- https://bugzilla.redhat.com/2245514
- https://bugzilla.redhat.com/2246944
- https://bugzilla.redhat.com/2246945
- https://bugzilla.redhat.com/2253611
- https://bugzilla.redhat.com/2253614
- https://bugzilla.redhat.com/2253908
- https://bugzilla.redhat.com/2254052
- https://bugzilla.redhat.com/2254053
- https://bugzilla.redhat.com/2254054
- https://bugzilla.redhat.com/2255139
Verify integrity in audit chain (admin only). AS-IS.