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Red Hat Security Advisory

RHSA-2026:25218

kernel security update

Released 2026-06-11 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 13 records

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: libceph: prevent potential out-of-bounds reads in handle_auth_done() Perform an explicit bounds check on payload_len to avoid a possible out-of-bounds a…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00407 Published 2026-01-23 Partial fix · 5.15.198, 6.1.161 +4 CWE-125
Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931() In DecodeQ931(), the UserUserIE code path reads a 16-bit length from the packet, the…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.01587 Published 2026-04-03 Partial fix · 5.10.253, 5.15.203 +6 CWE-125
Priority MEDIUM 42

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_tcpmss: check remaining length before reading optlen Quoting reporter: In net/netfilter/xt_tcpmss.c (lines 53-68), the TCP option parser r…

CVSS 3.1HIGH 8.2 Network No auth No interaction EPSS 0.00463 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: validate bsscfg indices in IF events brcmf_fweh_handle_if_event() validates the firmware-provided interface index before it touches drvr…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0027 Published 2026-05-06 Partial fix · 5.10.258, 5.15.209 +6 CWE-129
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: libceph: make decode_pool() more resilient against corrupted osdmaps If the osdmap is (maliciously) corrupted such that the encoded length of ceph_pg_po…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00458 Published 2026-01-14 Partial fix · 5.10.248, 5.15.198 +5 CWE-125
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: libceph: replace overzealous BUG_ON in osdmap_apply_incremental() If the osdmap is (maliciously) corrupted such that the incremental osdmap epoch is dif…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00403 Published 2026-01-23 Partial fix · 5.10.248, 5.15.198 +5 CWE-400
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id Use check_add_overflow() to guard against potential integer overflows when addi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2025-12-24 Partial fix · 5.10.248, 5.15.198 +6
TI-2025-26840 CVE-2025-40170 · GHSA-3vr4-gx8q-4fgg

net: use dst_dev_rcu() in sk_setup_caps()

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: net: use dst_dev_rcu() in sk_setup_caps() Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00193 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
TI-2025-26828 CVE-2025-40158 · GHSA-4g43-pmw7-v27w

ipv6: use RCU in ip6_output()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00555 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
TI-2025-26806 CVE-2025-40135 · GHSA-q28q-889g-6rx2

ipv6: use RCU in ip6_xmit()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.0071 Published 2025-11-12 Partial fix · 5.15.224, 6.1.167 +4
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00105 Published 2026-04-22 Partial fix · 5.10.253, 5.15.203 +6 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix use-after-free in iscsit_dec_conn_usage_count() In iscsit_dec_conn_usage_count(), the function calls complete() while holding t…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2026-02-18 Partial fix · 5.10.250, 5.15.200 +5 CWE-416
TI-2025-43239 CVE-2025-71089 · GHSA-r6cc-j9rp-4f85

iommu: disable SVA when CONFIG_X86 is set

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: iommu: disable SVA when CONFIG_X86 is set Patch series "Fix stale IOTLB entries for kernel address space", v7.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00162 Published 2026-01-13 Partial fix · 5.10.273, 5.15.200 +5 CWE-416