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Red Hat Security Advisory

RHSA-2024:3421

kernel security and bug fix update

Released 2024-05-28 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 16 records

Priority CRITICAL 93KEV

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.28058 Published 2024-01-31 Fixed in 6.8 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: fix null deref on element insertion There is no guarantee that rb_prev() will not return NULL in nft_rbtree_gc_elem(): genera…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00152 Published 2025-10-04 Partial fix · 5.10.181, 5.15.113 +3 CWE-476
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv->len is a multiple of 4, then dst[len / 4] can write past the destination array which le…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00667 Published 2024-03-28 Partial fix · 4.19.316, 5.4.279 +5 CWE-787
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_tcam: Fix stack corruption When tc filters are first added to a net device, the corresponding local port gets bound to an ACL group…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00247 Published 2024-02-22 Partial fix · 5.10.209, 5.15.148 +4 CWE-787
Priority LOW 34

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00334 Published 2023-12-18 Partial fix · 6.7 CWE-416
Priority LOW 34

A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00241 Published 2023-09-06 Partial fix · 4.19.316, 5.4.262 +4 CWE-416
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: do not allow SET_ID to refer to another table When doing lookups for sets on the same batch by using its ID, a set from a differen…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00242 Published 2025-06-18 Partial fix · 4.19.256, 5.4.211 +5 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix underflow in chain reference counter Set element addition error path decrements reference counter on chains twice: once on ele…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2025-12-24 Partial fix · 4.20, 5.5 +5
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00201 Published 2025-06-18 Partial fix · 5.15.63, 5.19.4 +1
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: netlink notifier might race to release objects commit release path is invoked via call_rcu and it runs lockless to release the obj…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00149 Published 2025-05-01 Partial fix · 5.15.78, 6.0.8 +1 CWE-362
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: fix overlap expiration walk The lazy gc on insert that should remove timed-out entries fails to release the other half of the…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.0016 Published 2025-09-16 Fixed in 5.10.190, 5.15.124 +3 CWE-476
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL Baoquan reported that after triggering a crash the subsequent crash-kernel fails to boot about half…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00269 Published 2025-03-27 Partial fix · 4.14.305, 4.19.272 +5 CWE-476
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: don't skip expired elements during walk There is an asymmetry between commit/abort and preparation phase if the following conditio…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00215 Published 2025-02-05 Partial fix · 4.19.316, 5.4.262 +5