CVE-2022-28796 Use after free in n/a
A use-after-free race condition in the Linux kernel's jbd2 transaction handling allows attackers to potentially execute code 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-2022-28796?
CVE-2022-28796 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 8 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
jbd2_journal_wait_updates in fs/jbd2/transaction.c in the Linux kernel before 5.17.1 has a use-after-free caused by a transaction_t race condition.
Weakness: CWE-362
Which versions are affected by CVE-2022-28796?
It affects 15 products.
Products include Fedoraproject Fedora, Linux kernel, Netapp Active Iq Unified Manager, Netapp H300e Firmware, Netapp H300s Firmware, Netapp H410c Firmware and 9 more.
How do I fix CVE-2022-28796?
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-2022-28796 being exploited?
There is no known exploitation of CVE-2022-28796 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-9331, GHSA-mj7m-2xg5-q6g9, UBUNTU-CVE-2022-28796.