CVE-2025-37927Out-of-bounds Write in Linux

Severity
7.8HIGHNVD
OSV8.8OSV3.2
EPSS
0.1%
top 73.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 20
Latest updateMar 25

Description

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix potential buffer overflow in parse_ivrs_acpihid There is a string parsing logic error which can lead to an overflow of hid or uid buffers. Comparing ACPIID_LEN against a total string length doesn't take into account the lengths of individual hid and uid buffers so the check is insufficient in some cases. For example if the length of hid string is 4 and the length of the uid string is 260, the length of str will

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_kernel4.75.4.294+7
Debianlinux/linux_kernel< 5.10.244-1+3
Ubuntulinux/linux_kernel< 5.15.0-144.157+2
CVEListV5linux/linuxca3bf5d47cec8b7614bcb2e9132c40081d6d81db2b65060c84ee4d8dc64fae6d2728b528e9e832e1+8

Also affects: Debian Linux 11.0

Patches

🔴Vulnerability Details

35
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

33
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-2025-37927 — Out-of-bounds Write in Linux | cvebase