CVE-2024-35935 btrfs: send: handle path ref underflow in header iterate_inode_ref()
A flaw in the Linux kernel's btrfs send feature could leak kernel addresses if path buffer building fails, requiring a patch to fix.
- 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-2024-35935?
CVE-2024-35935 is a low-severity vulnerability in Debian Debian Linux, published on 19 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
btrfs: send: handle path ref underflow in header iterate_inode_ref()
Change BUG_ON to proper error handling if building the path buffer fails. The pointers are not printed so we don't accidentally leak kernel addresses.
Weakness: CWE-209
Which versions are affected by CVE-2024-35935?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-35935?
Apply the vendor's patch.
Is CVE-2024-35935 being exploited?
There is no known exploitation of CVE-2024-35935 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-35935, DEBIAN-CVE-2024-35935, GHSA-95jp-3qwq-rj66, UBUNTU-CVE-2024-35935.