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Vulnerability · Published Jun 23, 2023 · Assigned by redhat

CVE-2023-3317

High 7.1

In plain English

A high-severity use-after-free in Kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.2%top 85.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-3317
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-3317
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-3317
Ubuntu:22.04:LTSlinux-nvidia-6.26.2.0-1010.10UBUNTU-CVE-2023-3317
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-3317
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-3317
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-3317

Affected products (as reported)

VendorProductVersions
n/a Kernel KErnel version prior to 6.3-rc6

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

References