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Google: sys-kernel/lakitu-kernel-6_1: security update to 18244.1.61

medium Tenable Cloud Security Plugin ID 450625

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Stop relying on userspace for
 info to fault in xsave buffer Before this change, the expected size of the user space buffer was taken
 from fx_sw->xstate_size. fx_sw->xstate_size can be changed from user-space, so it is possible construct a
 sigreturn frame where: * fx_sw->xstate_size is smaller than the size required by valid bits in
 fx_sw->xfeatures. * user-space unmaps parts of the sigrame fpu buffer so that not all of the buffer
 required by xrstor is accessible. In this case, xrstor tries to restore and accesses the unmapped area
 which results in a fault. But fault_in_readable succeeds because buf + fx_sw->xstate_size is within the
 still mapped area, so it goes back and tries xrstor again. It will spin in this loop forever. Instead,
 fault in the maximum size which can be touched by XRSTOR (taken from fpstate->user_size). [ dhansen: tweak
 subject / changelog ] (CVE-2024-26603)

Solution

Update the sys-kernel/lakitu-kernel-6_1 library and its related packages to version 18244.1.61 or later.

See Also

https://storage.googleapis.com/cos-oval-vulnerability-feed/cos-113.oval.xml.tar.gz

Plugin Details

Severity: Medium

ID: 450625

Version: Revision 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.18

Vendor

Vendor Severity: MEDIUM

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2024-26603

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 2/23/2024

Reference Information

CVE: CVE-2024-26603