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Red Hat Security Advisory

RHSA-2023:7539

kernel security, bug fix, and enhancement update

Released 2023-11-28 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 20 records

Priority LOW 37

A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00487 Published 2023-07-21 Partial fix · 4.14.322, 4.19.291 +6 CWE-416
Priority LOW 35

A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00588 Published 2023-09-06 Partial fix · 6.5 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/restrack: Release MR restrack when delete The MR restrack also needs to be released when delete it, otherwise it cause memory leak as the task stru…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00196 Published 2025-12-30 Partial fix · 5.15.86, 6.0.16 +2
Priority LOW 34

A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00312 Published 2023-09-06 Partial fix · 6.5 CWE-416
Priority LOW 34

A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00313 Published 2023-09-06 Partial fix · 6.5 CWE-416
Priority LOW 34

Information exposure through microarchitectural state after transient execution in certain vector execution units for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure…

CVSS 3.1MEDIUM 6.5 Local Low privileges No interaction EPSS 0.03047 Published 2023-08-11 Partial fix CWE-1342
Priority LOW 31

A use-after-free flaw was found in smb2_is_status_io_timeout() in CIFS in the Linux Kernel.

CVSS 3.1MEDIUM 6.5 Network Low privileges No interaction EPSS 0.01104 Published 2023-11-01 Partial fix CWE-416
TI-2023-29908 CVE-2023-53620 · GHSA-gjrx-w6pw-88ph

md: fix soft lockup in status_resync

Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: md: fix soft lockup in status_resync status_resync() will calculate 'curr_resync - recovery_active' to show user a progress bar like following: [=======…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00156 Published 2025-10-07 Partial fix · 6.1.30, 6.3.4 +1 CWE-667
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix leak of 'r10bio->remaining' for recovery raid10_sync_request() will add 'r10bio->remaining' for both rdev and replacement rdev.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00152 Published 2025-09-16 Partial fix · 4.14.315, 4.19.283 +7 CWE-401
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: i40e: Fix kernel crash during reboot when adapter is in recovery mode If the driver detects during probe that firmware is in recovery mode then i40e_ini…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00202 Published 2025-05-02 Partial fix · 5.4.238, 5.10.176 +4 CWE-476
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: mm/slab_common: fix slab_caches list corruption after kmem_cache_destroy() After the commit in Fixes:, if a module that created a slab cache does not re…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00222 Published 2024-03-02 Partial fix · 5.20, 6.1.56 +2
TI-2023-30568 CVE-2023-54294 · GHSA-cpq6-27xg-r565

md/raid10: fix memleak of md thread

Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak of md thread In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error p…

CVSS — EPSS 0.00212 Published 2025-12-30 Partial fix · 4.19.283, 5.4.243 +6
TI-2023-30401 CVE-2023-54123 · GHSA-fggm-fgvr-h4xg

md/raid10: fix memleak for 'conf->bio_split'

Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak for 'conf->bio_split' In the error path of raid10_run(), 'conf' need be freed, however, 'conf->bio_split' is missed and memory wi…

CVSS — EPSS 0.00219 Published 2025-12-24 Partial fix · 4.19.283, 5.4.243 +6
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix null-ptr-deref in raid10_sync_request init_resync() inits mempool and sets conf->have_replacemnt at the beginning of sync, close_sync() f…

CVSS — EPSS 0.00257 Published 2025-12-09 Partial fix · 4.19.283, 5.4.243 +6
Priority LOW 21

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel.

CVSS 3.1MEDIUM 4.7 Local Low privileges No interaction EPSS 0.00183 Published 2023-10-03 Fixed in 4.18.0-513.5.1.rt7.307.el8_9, 4.18.0-513.5.1.el8_9 +2 CWE-366