CVE-2024-0646
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.31% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://access.redhat.com/errata/RHSA-2024:0723Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0724Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0725Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0850Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0851Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0876Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0881Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0897Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1248Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1250Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1251Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1253Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1268Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1269Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1278Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1306Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1367Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1368Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1377Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1382Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:1404Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:2094Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2024-0646Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253908Issue Tracking, Patch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5a595000e267Patch
- https://access.redhat.com/errata/RHSA-2024:0723Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0724Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0725Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0850Third Party Advisory
- https://access.redhat.com/errata/RHSA-2024:0851Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.