Processor optimization removal or modification of security-critical code in Linux kernel - CVE-2024-35996

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Main Vulnerability Database Vulnerabilities #VU93808

Processor optimization removal or modification of security-critical code in Linux kernel - CVE-2024-35996

Published: July 4, 2024


Vulnerability identifier: #VU93808
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-35996
CWE-ID: CWE-1037
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to speculative execution in kernel/cpu.c. A local user can gain access to sensitive information.


Affected software

Linux kernel
Ubuntu
linux-image-generic (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-6.8.0-40-generic-64k (Ubuntu package)
linux-image-6.8.0-40-generic (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-6.8.0-40-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-40-lowlatency (Ubuntu package)
linux-image-6.8.0-1008-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-6.8.0-1009-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1010-ibm (Ubuntu package)
linux-image-6.8.0-1010-oem (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1010-oracle-64k (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-6.8.0-1010-oracle (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-6.8.0-1011-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1011-nvidia (Ubuntu package)
linux-image-6.8.0-1011-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1011-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1012-gcp (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1013-aws (Ubuntu package)
IBM Security Guardium

How to mitigate CVE-2024-35996

Install updates from vendor's website.

linux-image-generic (Ubuntu package) - update to 6.8.0-40.40
linux-image-virtual (Ubuntu package) - update to 6.8.0-40.40
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-40.40
linux-image-kvm (Ubuntu package) - update to 6.8.0-40.40
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-40.40
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-40.40
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-40.40
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-40.40
linux-image-6.8.0-40-generic-64k (Ubuntu package) - update to 6.8.0-40.40
linux-image-6.8.0-40-generic (Ubuntu package) - update to 6.8.0-40.40
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-40.40.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-40.40.1
linux-image-6.8.0-40-lowlatency-64k (Ubuntu package) - update to 6.8.0-40.40.1
linux-image-6.8.0-40-lowlatency (Ubuntu package) - update to 6.8.0-40.40.1
linux-image-6.8.0-1008-gke (Ubuntu package) - update to 6.8.0-1008.11
linux-image-gke (Ubuntu package) - update to 6.8.0-1008.11
linux-image-6.8.0-1009-raspi (Ubuntu package) - update to 6.8.0-1009.10
linux-image-raspi (Ubuntu package) - update to 6.8.0-1009.10
linux-image-6.8.0-1010-ibm (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-oem (Ubuntu package) - update to 6.8.0-1010.10
linux-image-oracle-64k (Ubuntu package) - update to 6.8.0-1010.10
linux-image-oracle (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-oracle-64k (Ubuntu package) - update to 6.8.0-1010.10
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1010.10
linux-image-6.8.0-1010-oracle (Ubuntu package) - update to 6.8.0-1010.10
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1010.10
linux-image-ibm (Ubuntu package) - update to 6.8.0-1010.10
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1010.10
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1010.10
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1011.11
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1011.11
linux-image-6.8.0-1011-nvidia-64k (Ubuntu package) - addressed in versions 6.8.0-1011.11, 6.8.0-1011.11~22.04.1
linux-image-6.8.0-1011-nvidia (Ubuntu package) - addressed in versions 6.8.0-1011.11, 6.8.0-1011.11~22.04.1
linux-image-6.8.0-1011-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1011.11.1
linux-image-6.8.0-1011-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1011.11.1
linux-image-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1011.11.1
linux-image-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1011.11.1
linux-image-nvidia-64k-6.8 (Ubuntu package) - update to 6.8.0-1011.11~22.04.1
linux-image-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1011.11~22.04.1
linux-image-gcp (Ubuntu package) - update to 6.8.0-1012.13
linux-image-6.8.0-1012-gcp (Ubuntu package) - update to 6.8.0-1012.13
linux-image-aws (Ubuntu package) - update to 6.8.0-1013.14
linux-image-6.8.0-1013-aws (Ubuntu package) - update to 6.8.0-1013.14
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

External References

Related Security Bulletins