CVE-2024-40939 — Use After Free in Linux

CWE-416 — Use After FreeCWE-99 — Resource Injection19 documents6 sources
Severity
7.8HIGHNVD
OSV5.5
EPSS
0.0%
top 96.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedJul 12
Latest updateSep 23

Description

In the Linux kernel, the following vulnerability has been resolved: net: wwan: iosm: Fix tainted pointer delete is case of region creation fail In case of region creation fail in ipc_devlink_create_region(), previously created regions delete process starts from tainted pointer which actually holds error code value. Fix this bug by decreasing region index before delete. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶NVDlinux/linux_kernel5.16 — 6.1.95+3
▶Debianlinux/linux_kernel< 6.1.99-1+2
▶Ubuntulinux/linux_kernel< 6.8.0-44.44
▶CVEListV5linux/linux4dcd183fbd67b105decc8be262311937730ccdbf — fe394d59cdae81389dbf995e87c83c1acd120597+4
▶debiandebian/linux< linux 6.1.99-1 (bookworm)

Patches

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

🔴Vulnerability Details

9
OSV
linux-hwe-6.8↗2024-09-23
▶
OSV
linux-raspi vulnerabilities↗2024-09-23
▶
OSV
linux-lowlatency-hwe-6.8 vulnerabilities↗2024-09-13
▶
OSV
linux-nvidia-6.8 vulnerabilities↗2024-09-13
▶
OSV
linux-nvidia, linux-nvidia-lowlatency vulnerabilities↗2024-09-12
▶

📋Vendor Advisories

9
Ubuntu
Linux kernel vulnerabilities↗2024-09-23
▶
Ubuntu
Linux kernel vulnerabilities↗2024-09-23
▶
Ubuntu
Linux kernel vulnerabilities↗2024-09-13
▶
Ubuntu
Linux kernel vulnerabilities↗2024-09-13
▶
Ubuntu
Linux kernel vulnerabilities↗2024-09-12
▶