vulnerability
Rocky Linux: CVE-2025-21791: kernel (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Nov 21, 2025 | Feb 5, 2026 | Feb 5, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Nov 21, 2025
Added
Feb 5, 2026
Modified
Feb 5, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
vrf: use RCU protection in l3mdev_l3_out()
l3mdev_l3_out() can be called without RCU being held:
raw_sendmsg()
ip_push_pending_frames()
ip_send_skb()
ip_local_out()
__ip_local_out()
l3mdev_ip_out()
Add rcu_read_lock() / rcu_read_unlock() pair to avoid
a potential UAF.
Solutions
rocky-upgrade-kernelrocky-upgrade-kernel-corerocky-upgrade-kernel-debugrocky-upgrade-kernel-debug-corerocky-upgrade-kernel-debug-debuginforocky-upgrade-kernel-debug-develrocky-upgrade-kernel-debug-devel-matchedrocky-upgrade-kernel-debug-modulesrocky-upgrade-kernel-debug-modules-corerocky-upgrade-kernel-debug-modules-extrarocky-upgrade-kernel-debug-uki-virtrocky-upgrade-kernel-debuginforocky-upgrade-kernel-debuginfo-common-s390xrocky-upgrade-kernel-debuginfo-common-x86_64rocky-upgrade-kernel-develrocky-upgrade-kernel-devel-matchedrocky-upgrade-kernel-modulesrocky-upgrade-kernel-modules-corerocky-upgrade-kernel-modules-extrarocky-upgrade-kernel-modules-extra-matchedrocky-upgrade-kernel-rtrocky-upgrade-kernel-rt-corerocky-upgrade-kernel-rt-debugrocky-upgrade-kernel-rt-debug-corerocky-upgrade-kernel-rt-debug-debuginforocky-upgrade-kernel-rt-debug-develrocky-upgrade-kernel-rt-debug-modulesrocky-upgrade-kernel-rt-debug-modules-corerocky-upgrade-kernel-rt-debug-modules-extrarocky-upgrade-kernel-rt-debuginforocky-upgrade-kernel-rt-develrocky-upgrade-kernel-rt-modulesrocky-upgrade-kernel-rt-modules-corerocky-upgrade-kernel-rt-modules-extrarocky-upgrade-kernel-toolsrocky-upgrade-kernel-tools-debuginforocky-upgrade-kernel-tools-libsrocky-upgrade-kernel-tools-libs-develrocky-upgrade-kernel-uki-virtrocky-upgrade-kernel-uki-virt-addonsrocky-upgrade-kernel-zfcpdumprocky-upgrade-kernel-zfcpdump-corerocky-upgrade-kernel-zfcpdump-debuginforocky-upgrade-kernel-zfcpdump-develrocky-upgrade-kernel-zfcpdump-devel-matchedrocky-upgrade-kernel-zfcpdump-modulesrocky-upgrade-kernel-zfcpdump-modules-corerocky-upgrade-kernel-zfcpdump-modules-extrarocky-upgrade-libperfrocky-upgrade-libperf-debuginforocky-upgrade-perfrocky-upgrade-perf-debuginforocky-upgrade-python3-perfrocky-upgrade-python3-perf-debuginforocky-upgrade-rtlarocky-upgrade-rv
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