CVE-2025-39874 — Linux vulnerability

5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 94.52%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedSep 23

Description

In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTM_NEWLINK Syzkaller managed to lock the lower device via ETHTOOL_SFEATURES: netdev_lock include/linux/netdevice.h:2761 [inline] netdev_lock_ops include/net/netdev_lock.h:42 [inline] netdev_sync_lower_features net/core/dev.c:10649 [inline] __netdev_update_features+0xcb1/0x1be0 net/core/dev.c:10819 netdev_update_features+0x6d/0xe0 net/core/dev.c:10876 macsec_notify+0x2f5/0x660 drivers/net/macsec.c:453…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.15 — 6.16.8+1
▶Debianlinux/linux_kernel< 6.16.8-1
▶CVEListV5linux/linux7e4d784f5810bba76c4593791028e13cce4af547 — d7624629ccf47135c65fef0701fa0d9a115b87f3+2
▶debiandebian/linux< linux 6.16.8-1 (forky)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2025-39874: In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTM_NEWLINK Syzkaller managed to lock the lower device vi↗2025-09-23
▶
GHSA
GHSA-rmcq-9vcc-9423: In the Linux kernel, the following vulnerability has been resolved: macsec: sync features on RTM_NEWLINK Syzkaller managed to lock the lower device↗2025-09-23
▶

📋Vendor Advisories

2
Red Hat
kernel: macsec: sync features on RTM_NEWLINK↗2025-09-23
▶
Debian
CVE-2025-39874: linux - In the Linux kernel, the following vulnerability has been resolved: macsec: syn...↗2025
▶
CVE-2025-39874 — Linux vulnerability | cvebase