In the Linux kernel, the following vulnerability has been resolved:
x86/kexec: Fix bug with call depth tracking
The call to cc_platform_has() triggers a fault and system crash if call depth tracking is active because the GS segment has been reset by load_segments() and GS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.
Call cc_platform_has() earlier in the function when GS is still valid.
[ bp: Massage. ]
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Suse | — | Upgrade dlm-kmp-64kbUpgrade kernel-64kbUpgrade kernel-64kb-optionalUpgrade kernel-azure-extraUpgrade kernel-devel-azureUpgrade kernel-rt_debugUpgrade kernel-source-rtUpgrade kernel-kvmsmallUpgrade kselftests-kmp-64kbUpgrade cluster-md-kmp-azureUpgrade dtb-amlogicUpgrade kernel-default-livepatch-develUpgrade ocfs2-kmp-64kbUpgrade kernel-azure-vdsoUpgrade kernel-default-livepatchUpgrade kernel-64kb-livepatch-develUpgrade kernel-obs-qaUpgrade dtb-exynosUpgrade kernel-kvmsmall-vdsoUpgrade reiserfs-kmp-64kbUpgrade dtb-caviumUpgrade dtb-hisiliconUpgrade dtb-lgUpgrade kselftests-kmp-azureUpgrade kernel-macrosUpgrade ocfs2-kmp-azureUpgrade reiserfs-kmp-defaultUpgrade kernel-azure-optionalUpgrade kernel-source-azureUpgrade gfs2-kmp-rtUpgrade kernel-default-extraUpgrade gfs2-kmp-azureUpgrade kernel-kvmsmall-develUpgrade gfs2-kmp-64kbUpgrade kernel-rt-livepatch-develUpgrade dtb-appleUpgrade ocfs2-kmp-defaultUpgrade kernel-symsUpgrade dtb-apmUpgrade kernel-docs-htmlUpgrade dtb-renesasUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-rt-optionalUpgrade dtb-alteraUpgrade kernel-sourceUpgrade kernel-rt_debug-develUpgrade dtb-amazonUpgrade dtb-amdUpgrade dtb-broadcomUpgrade dtb-freescaleUpgrade kernel-debug-develUpgrade kernel-default-develUpgrade reiserfs-kmp-rtUpgrade dtb-socionextUpgrade kernel-64kb-develUpgrade kernel-zfcpdumpUpgrade ocfs2-kmp-rtUpgrade kernel-syms-rtUpgrade dtb-marvellUpgrade kernel-debugUpgrade dtb-xilinxUpgrade dtb-allwinnerUpgrade kernel-source-vanillaUpgrade kernel-debug-livepatch-develUpgrade kernel-azureUpgrade kernel-docsUpgrade dtb-armUpgrade kernel-azure-livepatch-develUpgrade kselftests-kmp-defaultUpgrade dtb-nvidiaUpgrade kernel-rt-vdsoUpgrade dtb-qcomUpgrade cluster-md-kmp-64kbUpgrade kernel-default-base-rebuildUpgrade dtb-sprdUpgrade kselftests-kmp-rtUpgrade kernel-azure-develUpgrade kernel-devel-rtUpgrade kernel-develUpgrade kernel-debug-vdsoUpgrade kernel-rtUpgrade kernel-obs-buildUpgrade kernel-64kb-extraUpgrade dtb-mediatekUpgrade dlm-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dlm-kmp-azureUpgrade kernel-rt_debug-vdsoUpgrade kernel-default-optionalUpgrade kernel-default-vdsoUpgrade kernel-default-baseUpgrade cluster-md-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-rt_debug-livepatch-develUpgrade kernel-rt-extraUpgrade kernel-rt-develUpgrade dtb-rockchipUpgrade dlm-kmp-rtUpgrade cluster-md-kmp-rtUpgrade kernel-syms-azureUpgrade kernel-default | Dec 5, 2025 | Sep 10, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-44-genericUpgrade linux-image-ibmUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-1012-oemUpgrade linux-image-6.8.0-1011-raspiUpgrade linux-image-6.8.0-1012-ibmUpgrade linux-image-6.8.0-45-generic-64kUpgrade linux-image-6.8.0-1012-oracleUpgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-1012-oracle-64kUpgrade linux-image-gkeUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.8.0-1015-awsUpgrade linux-image-6.8.0-1010-gkeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidiaUpgrade linux-image-lowlatency-64kUpgrade linux-image-nvidia-6.8Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oem-22.04Upgrade linux-image-generic-64kUpgrade linux-image-6.8.0-44-lowlatencyUpgrade linux-image-6.8.0-45-genericUpgrade linux-image-6.8.0-1013-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-44-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1014-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-virtualUpgrade linux-image-genericUpgrade linux-image-6.8.0-44-generic-64kUpgrade linux-image-ibm-classicUpgrade linux-image-awsUpgrade linux-image-6.8.0-1013-nvidia-64kUpgrade linux-image-oem-22.04cUpgrade linux-image-6.8.0-1014-azureUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-oem-22.04dUpgrade linux-image-azureUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-oracle-64kUpgrade linux-image-oem-22.04bUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-6.8.0-1013-nvidia-lowlatencyUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1013-nvidia-lowlatency-64kUpgrade linux-image-kvmUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1014-azure-fdeUpgrade linux-image-nvidia-64kUpgrade linux-image-azure-fdeUpgrade linux-image-raspiUpgrade linux-image-virtual-hwe-24.04 | Sep 12, 2024 | Jul 12, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub