Summary
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CVE-2025-71085)
* kernel: macvlan: fix possible UAF in macvlan_forward_source() (CVE-2026-23001)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 25
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | bpftool | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-abi-stablelists | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-core | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-cross-headers | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-debug | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-core | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-devel | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-debug-modules-extra | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-devel | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-doc | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-headers | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-modules | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-modules-extra | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-tools | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-tools-libs-devel | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-core | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-devel | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | kernel-zfcpdump-modules-extra | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | perf | 4.18.0-553.111.1.el8_10 |
| AlmaLinux · 8 | python3-perf | 4.18.0-553.111.1.el8_10 |
Vulnerabilities 2
-
High 7.8CVE-2026-23001 Public exploit
macvlan: fix possible UAF in macvlan_forward_source()
In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlan_forward_source() Add RCU protection on (struct macvlan_source_entry)->vlan. Whenever macvlan_hash_del_source() is called, we must clear entry->vlan pointe…
-
High 7.5
ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()
In the Linux kernel, the following vulnerability has been resolved: ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() There exists a kernel oops caused by a BUG_ON(nhead < 0) at net/core/skbuff.c:2232 in pskb_expand_head(). This bug is tri…