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Red Hat Security Advisory

RHSA-2025:15035

kernel security update

Released 2025-09-02 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 11 records

TI-2021-22304 CVE-2021-47670 · GHSA-g3pp-67rc-cjg2

can: peak_usb: fix use after free bugs

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix use after free bugs After calling peak_usb_netif_rx_ni(skb), dereferencing skb is unsafe.

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00224 Published 2025-04-17 Fixed in 4.19.171, 5.4.93 +2 CWE-416
Priority LOW 37

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: "We are writing to report that this recent patch (141d34391abbb315d…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00555 Published 2025-06-06 Partial fix · 5.4.294, 5.10.238 +7 CWE-835
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: net/sched: Always pass notifications when child class becomes empty Certain classful qdiscs may invoke their classes' dequeue handler on an enqueue oper…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00297 Published 2025-07-19 Partial fix · 5.4.296, 5.10.240 +7 CWE-416
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: Fix qlen accounting bug when using peek in hfsc_enqueue() When enqueuing the first packet to an HFSC class, hfsc_enqueue() calls the child qdi…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00241 Published 2025-06-06 Partial fix · 5.4.294, 5.10.238 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Fix use-after-free in vhci_flush() syzbot reported use-after-free in vhci_flush() without repro.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00182 Published 2025-07-09 Partial fix · 5.10.259, 5.15.209 +5 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: crypto: algif_hash - fix double free in hash_accept If accept(2) is called on socket type algif_hash with MSG_MORE flag set and crypto_ahash_import fail…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00215 Published 2025-06-18 Partial fix · 5.4.294, 5.10.238 +6 CWE-415
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net_sched: hfsc: Fix a UAF vulnerability in class with netem as child qdisc As described in Gerrard's report [1], we have a UAF case when an hfsc class…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00222 Published 2025-05-16 Partial fix · 5.4.294, 5.10.238 +6 CWE-416
TI-2025-15682 CVE-2025-21727 · GHSA-wvmf-xh97-gmfr

padata: fix UAF in padata_reorder

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: padata: fix UAF in padata_reorder A bug was found when run ltp test: BUG: KASAN: slab-use-after-free in padata_find_next+0x29/0x1a0 Read of size 4 at ad…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00222 Published 2025-02-27 Partial fix · 5.10.235, 5.15.179 +5 CWE-416
Priority LOW 34

In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead ftrace_startup does not remove ops from ftrace_ops_list when ftrace_sta…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00265 Published 2025-06-18 Partial fix · 3.3, 3.5 +10 CWE-476
TI-2025-25518 CVE-2025-38177 · GHSA-9pjq-r2xc-hgwc

sch_hfsc: make hfsc_qlen_notify() idempotent

Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: sch_hfsc: make hfsc_qlen_notify() idempotent hfsc_qlen_notify() is not idempotent either and not friendly to its callers, like fq_codel_dequeue().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00217 Published 2025-07-04 Partial fix · 5.4.297, 5.10.241 +6 CWE-459
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: use old 'nbands' while purging unused classes Shuang reported sch_ets test-case [1] crashing in ets_class_qlen_notify() after recent cha…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00183 Published 2025-09-04 Partial fix · 5.5, 5.10.241 +7 CWE-476