CVE-2025-21785Out-of-bounds Write in Linux

CWE-787Out-of-bounds Write84 documents7 sources
Severity
7.8HIGHNVD
OSV8.8OSV7.1OSV5.9OSV5.5
EPSS
0.0%
top 96.74%
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: arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache levels with separate data/instructions cache. Fix this by incrementing the index for any populated leaf (instead of any populated level).

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 Packages9 packages

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

42
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-2025-21785 — Out-of-bounds Write in Linux | cvebase