Linux · Security advisory · July 28, 2026
ELSA-2026-21557: Security update for 30 packages
ELSA-2026-21557, released July 28, 2026, fixes 18 CVEs across 30 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
18
None rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0159
75th percentile
Priority of the 18 CVEs
Patch now 0
Urgent 0
High 18
Routine 0
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 |
|---|---|---|---|---|---|---|
| High | CVE-2026-23455 | kernel: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero leng... | 9.1 | 0.0159 | None reported | |
| High | CVE-2024-56645 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: c... | 7.8 | 0.0068 | None reported | |
| High | CVE-2026-31685 | netfilter: ip6t_eui64: reject invalid MAC header for all packets | 9.4 | 0.0049 | None reported | |
| High | CVE-2026-43158 | linux: In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs... | 8.8 | 0.0047 | None reported | |
| High | CVE-2026-43190 | kernel: In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_tcpmss: check remaining length befo... | 8.2 | 0.0046 | None reported | |
| High | CVE-2026-43110 | linux: In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF ev... | 8.8 | 0.0027 | None reported | |
| High | CVE-2026-43051 | linux: In the Linux kernel, the following vulnerability has been resolved: HID: wacom: fix out-of-bounds read in wacom_intu... | 8.1 | 0.0026 | None reported | |
| High | CVE-2026-43303 | mm/page_alloc: clear page->private in free_pages_prepare() | 7.8 | 0.0017 | None reported | |
| High | CVE-2026-23392 | netfilter: nf_tables: release flowtable after rcu grace period on error | 8.8 | 0.0017 | None reported | |
| High | CVE-2025-68183 | linux: In the Linux kernel, the following vulnerability has been resolved: ima: don't clear IMA_DIGSIG flag when setting or... | 7.8 | 0.0015 | None reported | |
| High | CVE-2026-43205 | linux: In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: validate num_ifs to prevent out-of... | 7.8 | 0.0014 | None reported | |
| High | CVE-2026-43027 | linux: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_helper: pass helper to e... | 7.8 | 0.0013 | None reported | |
| High | CVE-2026-43020 | linux: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate LTK enc_size on load... | 7.8 | 0.0013 | None reported | |
| High | CVE-2026-43006 | linux: In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: reject zero-length fixed buffer i... | 7.5 | 0.0012 | None reported | |
| High | CVE-2026-23375 | kernel: In the Linux kernel, the following vulnerability has been resolved: mm: thp: deny THP for files on anonymous inodes f... | 7.5 | 0.0012 | None reported | |
| High | CVE-2026-31684 | net: sched: act_csum: validate nested VLAN headers | 7.8 | 0.0012 | None reported | |
| High | CVE-2026-43116 | netfilter: ctnetlink: ensure safe access to master conntrack | 8.8 | 0.0010 | None reported | |
| High | CVE-2026-43023 | kernel: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: fix race conditions in sco_sock_c... | 7.8 | 0.0010 | None reported |
Showing 1 to 18 of 18
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