CVE-2023-3317 — Use After Free in Kernel

CWE-416 — Use After Free7 documents7 sources
Severity
7.1HIGHNVD
EPSS
0.0%
top 99.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Linux KernelDebian LinuxMsrc Cbl2 Kernel 5.15.122.1-2 ON CBL Mariner 2.0+5 more
Timeline
PublishedJun 23
Latest updateAug 11

Description

A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an attacker to crash the system after 'features' memory release. This vulnerability could even lead to a kernel information leak problem.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages9 packages

▶NVDlinux/linux_kernel6.2 — 6.2.15+1
▶CVEListV5linux/linux_kernelKErnel version prior to 6.3-rc6
▶debiandebian/linux

🔴Vulnerability Details

2
OSV
CVE-2023-3317: A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init↗2023-06-23
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GHSA
GHSA-vcpw-jwjp-3c74: A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init↗2023-06-23
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel vulnerabilities↗2023-08-11
▶
Microsoft
A use-after-free flaw was found in mt7921_check_offload_capability in drivers/net/wireless/mediatek/mt76/mt7921/init.c in wifi mt76/mt7921 sub-component in the Linux Kernel. This flaw could allow an a↗2023-06-13
▶
Red Hat
kernel: use-after-free in wifi mt7921 fw features query↗2023-03-22
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Debian
CVE-2023-3317: linux - A use-after-free flaw was found in mt7921_check_offload_capability in drivers/ne...↗2023
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CVE-2023-3317 — Use After Free in Linux Kernel | cvebase