GSD-2022-1005139 ceph: don't leak snap_rwsem in handle_cap_grant
A resource leak in the Ceph filesystem driver can lead to memory exhaustion and denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is GSD-2022-1005139?
GSD-2022-1005139 is a denial of service vulnerability in Kernel, published on 16 Sep 2022.
Official description
ceph: don't leak snap_rwsem in handle_cap_grant
This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.4 by commit a090cc69699ec2d11b5e34cee8c61f0d4b0068cb, it was introduced in version v5.8 by commit 6f05b30ea063a2a05dda47a4105a69267ae5270f. For more details please see the references link.
Which versions are affected by GSD-2022-1005139?
1 open source package ship an affected version, including Kernel.
| Package | Affected | Fixed in |
|---|---|---|
Kernel Linux | All versions | None |
How do I fix GSD-2022-1005139?
No fix has been published for GSD-2022-1005139 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is GSD-2022-1005139 being exploited?
There is no known exploitation of GSD-2022-1005139 in the wild and no public exploit code.