CVE-2025-21772Out-of-bounds Write in Linux

Severity
7.8HIGHNVD
OSV8.8OSV7.1OSV5.9OSV5.5
EPSS
0.1%
top 78.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 27
Latest updateSep 3

Description

In the Linux kernel, the following vulnerability has been resolved: partitions: mac: fix handling of bogus partition table Fix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector(), since the preceding read_part_sector() succeeded. - If the partition table claims a silly sector size like 0xfff bytes (which results in partition table entries straddling sector boundaries), bail out instead of accessing out-of-bounds memory. - We must not assume that t

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_kernel5.55.10.235+7
Debianlinux/linux_kernel< 5.10.237-1+3
Ubuntulinux/linux_kernel< 5.4.0-216.236+2
CVEListV5linux/linux02e2a5bfebe99edcf9d694575a75032d53fe1b73a3e77da9f843e4ab93917d30c314f0283e28c124+13
debiandebian/linux< linux 6.1.129-1 (bookworm)

Patches

🔴Vulnerability Details

41
OSV
linux-azure, linux-azure-6.8, linux-azure-nvidia vulnerabilities2025-09-03
OSV
linux-gke, linux-hwe-6.8, linux-nvidia, linux-nvidia-6.8, linux-nvidia-lowlatency, linux-raspi vulnerabilities2025-08-28
OSV
linux-raspi-realtime vulnerabilities2025-08-26
OSV
linux-oracle, linux-oracle-6.8 vulnerabilities2025-08-21
OSV
linux-aws-6.8, linux-gcp, linux-gcp-6.8, linux-gkeop, linux-ibm, linux-ibm-6.8 vulnerabilities2025-08-20

📋Vendor Advisories

41
Ubuntu
Linux kernel (Azure) vulnerabilities2025-09-03
Ubuntu
Linux kernel vulnerabilities2025-08-28
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities2025-08-26
Ubuntu
Linux kernel (Oracle) vulnerabilities2025-08-21
Ubuntu
Linux kernel vulnerabilities2025-08-20
CVE-2025-21772 — Out-of-bounds Write in Linux | cvebase