CVE-2024-26990Linux vulnerability

15 documents8 sources
Severity
5.5MEDIUMNVD
OSV6.8
EPSS
0.0%
top 98.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 1
Latest updateJul 26

Description

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status Check kvm_mmu_page_ad_need_write_protect() when deciding whether to write-protect or clear D-bits on TDP MMU SPTEs, so that the TDP MMU accounts for any role-specific reasons for disabling D-bit dirty logging. Specifically, TDP MMU SPTEs must be write-protected when the TDP MMU is being used to run an L2 (i.e. L1 has disabled EPT) and PML is enabled. K

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages9 packages

NVDlinux/linux_kernel6.46.6.29+2
Debianlinux/linux_kernel< 6.8.9-1+1
Ubuntulinux/linux_kernel< 6.8.0-38.38
CVEListV5linux/linux5982a5392663b30f57ee90b0372c19a7e9cb655acdf811a937471af2d1facdf8ae80e5e68096f1ed+3
debiandebian/linux< linux 6.8.9-1 (forky)

Patches

🔴Vulnerability Details

6
OSV
linux-oracle vulnerabilities2024-07-26
OSV
linux-aws vulnerabilities2024-07-23
OSV
linux-gke, linux-nvidia vulnerabilities2024-07-16
OSV
linux, linux-azure, linux-gcp, linux-ibm, linux-intel, linux-lowlatency, linux-oem-6.8, linux-raspi vulnerabilities2024-07-11
OSV
CVE-2024-26990: In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status Check k2024-05-01

📋Vendor Advisories

7
Ubuntu
Linux kernel vulnerabilities2024-07-26
Ubuntu
Linux kernel vulnerabilities2024-07-23
Ubuntu
Linux kernel vulnerabilities2024-07-16
Ubuntu
Linux kernel vulnerabilities2024-07-11
Microsoft
KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status2024-05-14

💬Community

1
Bugzilla
CVE-2024-26990 kernel: KVM: x86/mmu: Write-protect L2 SPTEs in TDP MMU when clearing dirty status2024-05-01