CVE-2025-38068Out-of-bounds Write in Linux

CWE-787Out-of-bounds Write67 documents8 sources
Severity
7.8HIGHNVD
OSV5.5OSV3.2
EPSS
0.1%
top 82.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJun 18
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: lzo - Fix compression buffer overrun Unlike the decompression code, the compression code in LZO never checked for output overruns. It instead assumes that the caller always provides enough buffer space, disregarding the buffer length provided by the caller. Add a safe compression interface that checks for the end of buffer before each write. Use the safe interface in crypto/lzo.

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 Packages4 packages

NVDlinux/linux_kernel5.166.1.141+4
Debianlinux/linux_kernel< 6.1.147-1+2
Ubuntulinux/linux_kernel< 5.15.0-152.162+1
CVEListV5linux/linux64c70b1cf43de158282bc1675918d503e5b15cc14b173bb2c4665c23f8fcf5241c7b06dfa6b5b111+6

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

34
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

32
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-25
Ubuntu
Linux kernel (Azure) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-03-04
Ubuntu
Linux kernel (Xilinx) vulnerabilities2026-02-24
Ubuntu
Linux kernel (IBM) vulnerabilities2026-02-24
CVE-2025-38068 — Out-of-bounds Write in Linux | cvebase