CVE-2024-26843 — Out-of-bounds Write in Linux

CWE-787 — Out-of-bounds WriteCWE-121 — Stack-based Buffer Overflow26 documents7 sources
Severity
6.0MEDIUMNVD
OSV7.0OSV6.5OSV5.5
EPSS
0.0%
top 99.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedApr 17
Latest updateJul 26

Description

In the Linux kernel, the following vulnerability has been resolved: efi: runtime: Fix potential overflow of soft-reserved region size md_size will have been narrowed if we have >= 4GB worth of pages in a soft-reserved region.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:HExploitability: 0.8 | Impact: 5.2

Affected Packages5 packages

▶NVDlinux/linux_kernel5.11 — 5.15.150+5
▶Debianlinux/linux_kernel< 5.10.216-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-112.122
▶CVEListV5linux/linux16993c0f0a43213e23666ea40e9163887f593ac7 — 4fff3d735baea104017f2e3c245e27cdc79f2426+6
▶debiandebian/linux< linux 6.1.82-1 (bookworm)

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

12
OSV
linux-raspi vulnerabilities↗2024-07-26
▶
OSV
linux-ibm-5.15 vulnerabilities↗2024-07-10
▶
OSV
linux-hwe-5.15 vulnerabilities↗2024-07-04
▶
OSV
linux-azure, linux-azure-fde vulnerabilities↗2024-06-14
▶
OSV
linux-aws, linux-aws-5.15 vulnerabilities↗2024-06-11
▶

📋Vendor Advisories

12
Ubuntu
Linux kernel vulnerabilities↗2024-07-26
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2024-07-10
▶
Ubuntu
Linux kernel (HWE) vulnerabilities↗2024-07-04
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-06-14
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2024-06-11
▶

💬Community

1
Bugzilla
CVE-2024-26843 kernel: efi: runtime: Fix potential overflow of soft-reserved region size↗2024-04-17
▶