vulnerability
Rocky Linux: CVE-2025-21927: kernel (RLSA-2025-4341)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Jul 29, 2025 | Jul 31, 2025 | Aug 13, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Jul 29, 2025
Added
Jul 31, 2025
Modified
Aug 13, 2025
Description
In the Linux kernel, the following vulnerability has been resolved:
nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()
nvme_tcp_recv_pdu() doesn't check the validity of the header length.
When header digests are enabled, a target might send a packet with an
invalid header length (e.g. 255), causing nvme_tcp_verify_hdgst()
to access memory outside the allocated area and cause memory corruptions
by overwriting it with the calculated digest.
Fix this by rejecting packets with an unexpected header length.
Solutions
rocky-upgrade-bpftoolrocky-upgrade-bpftool-debuginforocky-upgrade-kernelrocky-upgrade-kernel-corerocky-upgrade-kernel-cross-headersrocky-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-develrocky-upgrade-kernel-devel-matchedrocky-upgrade-kernel-headersrocky-upgrade-kernel-modulesrocky-upgrade-kernel-modules-corerocky-upgrade-kernel-modules-extrarocky-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-kvmrocky-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-kvmrocky-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
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.