CVE-2025-40302Out-of-bounds Write in Linux

CWE-787Out-of-bounds Write15 documents6 sources
Severity
6.3MEDIUM
No vector
EPSS
0.0%
top 90.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 8
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: media: videobuf2: forbid remove_bufs when legacy fileio is active vb2_ioctl_remove_bufs() call manipulates queue internal buffer list, potentially overwriting some pointers used by the legacy fileio access mode. Forbid that ioctl when fileio is active to protect internal queue state between subsequent read/write calls.

Affected Packages5 packages

Linuxlinux/linux_kernel6.10.06.12.58+1
Debianlinux/linux_kernel< 6.12.63-1+1
Ubuntulinux/linux_kernel< 6.17.0-14.14
CVEListV5linux/linuxa3293a85381ec9680aa2929547fbc76c5d87a1b2a6a493b985bfffac097a4e1be09f98b27729dca8+3
debiandebian/linux< linux 6.17.8-1 (forky)

🔴Vulnerability Details

8
OSV
linux-azure vulnerabilities2026-02-24
OSV
linux-oem-6.17 vulnerabilities2026-02-17
OSV
linux-aws, linux-oracle vulnerabilities2026-02-17
OSV
linux-gcp vulnerabilities2026-02-12
OSV
linux, linux-raspi, linux-realtime vulnerabilities2026-02-12

📋Vendor Advisories

6
Ubuntu
Linux kernel (Azure) vulnerabilities2026-02-24
Ubuntu
Linux kernel (OEM) vulnerabilities2026-02-17
Ubuntu
Linux kernel (GCP) vulnerabilities2026-02-12
Ubuntu
Linux kernel vulnerabilities2026-02-12
Red Hat
kernel: media: videobuf2: forbid remove_bufs when legacy fileio is active2025-12-08