Red Hat Security AdvisoryRHSA-2023:7549
kernel security and bug fix update
Released 2023-11-28 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-513.9.1.el8_9
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-513.9.1.el8_9, kernel-4.18.0-513.9.1.el8_9, kernel-abi-stablelists-4.18.0-513.9.1.el8_9 +19
Fixes 8 records
Priority MEDIUM 55
Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape.
CVSS 3.1CRITICAL 10.0· Network · No auth · No interaction · EPSS 0.03635 · Published 2023-09-20 · Fixed CWE-682
Priority MEDIUM 50
A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.09617 · Published 2023-11-01 · Partial fix · 4.18.0-513.9.1.rt7.311.el8_9, 4.18.0-513.9.1.el8_9 +11 CWE-416
Priority LOW 36
An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00344 · Published 2023-07-24 · Partial fix · 4.18.0-513.9.1.rt7.311.el8_9, 4.18.0-513.9.1.el8_9 +12 CWE-787
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
Priority LOW 31
An issue was discovered in the Linux kernel through 6.0.9.
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00333 · Published 2022-11-25 · Partial fix CWE-362
Priority LOW 31
An issue was discovered in the Linux kernel through 6.0.9.
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00338 · Published 2022-11-25 · Partial fix CWE-362
Priority LOW 30
An issue was discovered in the Linux kernel through 6.0.10.
CVSS 3.1HIGH 7.0· Local · Low privileges · No interaction · EPSS 0.00267 · Published 2022-11-27 · Partial fix CWE-416
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
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