CVE-2024-26940 — Improper Input Validation in Linux

CWE-20 — Improper Input Validation17 documents8 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 99.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
LinuxLinux KernelDebian Linux+4 more
Timeline
PublishedMay 1
Latest updateJul 4

Description

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed The driver creates /sys/kernel/debug/dri/0/mob_ttm even when the corresponding ttm_resource_manager is not allocated. This leads to a crash when trying to read from this file. Add a check to create mob_ttm, system_mob_ttm, and gmr_ttm debug file only when the corresponding ttm_resource_manager is allocated. crash> bt PID: 3133409 TASK: ffff8fe4834a5000 CPU:…

CVSS vector

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

Affected Packages9 packages

▶NVDlinux/linux_kernel5.19 — 6.1.84+4
▶Debianlinux/linux_kernel< 6.1.85-1+2
▶Ubuntulinux/linux_kernel< 6.8.0-35.35
▶CVEListV5linux/linuxaf4a25bbe5e7e60ff696ef5c1ec48ab2d51c17c6 — 016119154981d81c9e8f2ea3f56b9e2b4ea14500+5
▶debiandebian/linux< linux 6.1.85-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

7
OSV
linux-oracle vulnerabilities↗2024-07-04
▶
OSV
linux-azure, linux-gke vulnerabilities↗2024-06-14
▶
OSV
linux-oem-6.8 vulnerabilities↗2024-06-11
▶
OSV
linux, linux-ibm, linux-lowlatency, linux-raspi vulnerabilities↗2024-06-07
▶
OSV
linux-aws, linux-gcp vulnerabilities↗2024-06-07
▶

📋Vendor Advisories

8
Ubuntu
Linux kernel (Oracle) vulnerabilities↗2024-07-04
▶
Ubuntu
Linux kernel vulnerabilities↗2024-06-14
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2024-06-11
▶
Ubuntu
Linux kernel vulnerabilities↗2024-06-07
▶
Ubuntu
Linux kernel vulnerabilities↗2024-06-07
▶

💬Community

1
Bugzilla
CVE-2024-26940 kernel: drm/vmwgfx: Create debugfs ttm_resource_manager entry only if needed↗2024-05-01
▶