Linux · Security advisory · July 20, 2026
ELSA-2026-18134: Security update for 30 packages
ELSA-2026-18134, released July 20, 2026, fixes 28 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
28
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0052
44th percentile
Priority of the 28 CVEs
Patch now 0
Urgent 1
High 15
Routine 12
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-abi-stablelists | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-core | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-cross-headers | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-core | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-devel | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-devel-matched | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-modules | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-modules-core | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-modules-extra | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-debug-uki-virt | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-devel | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-devel-matched | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-doc | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-headers | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-modules | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-modules-core | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-modules-extra | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-modules-extra-matched | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-tools | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-tools-libs | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-tools-libs-devel | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-uki-virt | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| kernel-uki-virt-addons | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| libperf | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| perf | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| python3-perf | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| rtla | ol 10 | 0:6.12.0-211.34.1.el10_2 |
| rv | ol 10 | 0:6.12.0-211.34.1.el10_2 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2025-40320 | linux: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential cfid UAF in smb2_quer... | 9.8 | 0.0042 | None reported | |
| High | CVE-2026-23111 | kernel-default: The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bu... | 7.8 | 0.0052 | None reported | |
| High | CVE-2025-40257 | mptcp: fix a race in mptcp_pm_del_add_timer() | 9.8 | 0.0050 | None reported | |
| High | CVE-2025-40210 | Revert "NFSD: Remove the cap on number of operations per NFSv4 COMPOUND" | 7.5 | 0.0036 | None reported | |
| High | CVE-2025-39866 | fs: writeback: fix use-after-free in __mark_inode_dirty() | 7.8 | 0.0031 | None reported | |
| High | CVE-2024-56633 | linux: In the Linux kernel, the following vulnerability has been resolved: tcp_bpf: Fix the sk_mem_uncharge logic in tcp_bp... | 7.8 | 0.0028 | None reported | |
| High | CVE-2025-38279 | bpf: Do not include stack ptr register in precision backtracking bookkeeping | 7.8 | 0.0024 | None reported | |
| High | CVE-2025-21839 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 7.8 | 0.0023 | None reported | |
| High | CVE-2025-38267 | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system | 7.8 | 0.0021 | None reported | |
| High | CVE-2025-38346 | ftrace: Fix UAF when lookup kallsym after ftrace disabled | 7.8 | 0.0020 | None reported | |
| High | CVE-2025-38015 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 7.0 | 0.0020 | None reported | |
| High | CVE-2026-23243 | RDMA/umad: Reject negative data_len in ib_umad_write | 7.8 | 0.0018 | None reported | |
| High | CVE-2026-23002 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: x... | 7.0 | 0.0018 | None reported | |
| High | CVE-2026-23040 | linux: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211_hwsim: fix typo in frequency noti... | 7.6 | 0.0017 | None reported | |
| High | CVE-2025-39797 | xfrm: Duplicate SPI Handling | 7.8 | 0.0016 | None reported | |
| High | CVE-2026-23210 | kernel-rt-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: L... | 7.5 | 0.0010 | None reported | |
| Routine | CVE-2025-38405 | kernel-debug-devel: The kernel packages contain the Linux kernel, the core of any Linux operating system | 5.5 | 0.0043 | None reported | |
| Routine | CVE-2025-40134 | kernel-64k-debug-modules-core: The kernel packages contain the Linux kernel, the core of any Linux operating system | 4.7 | 0.0023 | None reported | |
| Routine | CVE-2025-38275 | phy: qcom-qmp-usb: Fix an NULL vs IS_ERR() bug | 5.5 | 0.0021 | None reported | |
| Routine | CVE-2025-38470 | net: vlan: fix VLAN 0 refcount imbalance of toggling filtering during runtime | 5.5 | 0.0021 | None reported | |
| Routine | CVE-2025-38097 | espintcp: remove encap socket caching to avoid reference leak | 5.5 | 0.0021 | None reported | |
| Routine | CVE-2025-38166 | bpf: fix ktls panic with sockmap | 5.5 | 0.0020 | None reported | |
| Routine | CVE-2025-40034 | kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system | 6.6 | 0.0020 | None reported | |
| Routine | CVE-2025-38345 | ACPICA: fix acpi operand cache leak in dswstate.c | 5.5 | 0.0020 | None reported | |
| Routine | CVE-2025-37980 | block: fix resource leak in blk_register_queue() error path | 5.5 | 0.0019 | None reported |
Showing 1 to 25 of 28
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