CVE-2022-3424 Use after free in kernel
A local attacker can exploit a use-after-free in the SGI GRU driver to crash the system or escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-3424?
CVE-2022-3424 is a high-severity use after free vulnerability in Linux kernel, published on 6 Mar 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A use-after-free flaw was found in the Linux kernel’s SGI GRU driver in the way the first gru_file_unlocked_ioctl function is called by the user, where a fail pass occurs in the gru_check_chiplet_assignment function. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Weakness: CWE-416
Which versions are affected by CVE-2022-3424?
It affects 2 products.
Linux distribution packages (9)
kernel-livepatch-SLE15-SP1_Update_28 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 13-150100.2.2 |
kernel-livepatch-SLE15-SP1_Update_29 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 12-150100.2.2 |
kernel-livepatch-SLE15-SP1_Update_30 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 11-150100.2.2 |
kernel-livepatch-SLE15-SP1_Update_31 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 8-150100.2.1 |
kernel-livepatch-SLE15-SP1_Update_32 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 6-150100.2.1 |
kernel-livepatch-SLE15-SP1_Update_33 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 6-150100.2.1 |
kernel-livepatch-SLE15-SP1_Update_34 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 3-150100.2.1 |
kernel-livepatch-SLE15-SP1_Update_35 SUSE:Linux Enterprise Live Patching 15 SP1 | All versions | 3-150100.2.1 |
kernel-source openSUSE:Tumbleweed | All versions | 6.0.1-1.1 |
Products include Linux kernel, Redhat Enterprise Linux.
How do I fix CVE-2022-3424?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-3424 being exploited?
There is no known exploitation of CVE-2022-3424 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as DEBIAN-CVE-2022-3424, GHSA-292m-p3v4-44h4, SUSE-SU-2023:0227-1, SUSE-SU-2023:0231-1, SUSE-SU-2023:0235-1, SUSE-SU-2023:0240-1 and 2 more.