# CVE-2024-35882: linux: In the Linux kernel, the following vulnerability has been resolved:  SUNRPC: Fix a slow server-side memory leak with...

CVE-2024-35882 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-35882, released May 19, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-35882
- Priority: Routine
- CVSS: 5.5 (medium)
- EPSS: 0.0060
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 19, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  SUNRPC: Fix a slow server-side memory leak with RPC-over-TCP  Jan Schunk reports that his small NFS servers suffer from memory exhaustion after just a few days. A bisect shows that commit e18e157bb5c8 ("SUNRPC: Send RPC message on TCP with a single sock_sendmsg() call") is the first bad commit.  That commit assumed that sock_sendmsg() releases all the pages in the underlying bio_vec array, but the reality is that it doesn't. svc_xprt_release() releases the rqst's response pages, but the record marker page fragment isn't one of those, so it is never released.  This is a narrow fix that can be applied to stable kernels. A more extensive fix is in the works.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.8.9-1 | [DEBIAN-CVE-2024-35882](https://patchblox.com/security/data/fix/linux/debian-cve-2024-35882.md) | May 19, 2024 |
| Linux | linux Debian 14 | 6.8.9-1 | [DEBIAN-CVE-2024-35882](https://patchblox.com/security/data/fix/linux/debian-cve-2024-35882.md) | May 19, 2024 |

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