CVE-2024-35882 Affecting kernel-bootwrapper package, versions *
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Test your applications- Snyk ID SNYK-RHEL7-KERNELBOOTWRAPPER-6961114
- published 21 May 2024
- disclosed 19 May 2024
Introduced: 19 May 2024
CVE-2024-35882 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7 kernel-bootwrapper.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-bootwrapper package and not the kernel-bootwrapper package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
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.