CVE-2024-27393 Affecting kernel-core package, versions <0:5.14.0-284.71.1.el9_2
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Test your applications- Snyk ID SNYK-RHEL9-KERNELCORE-7395605
- published 26 Jun 2024
- disclosed 8 May 2024
Introduced: 8 May 2024
CVE-2024-27393 Open this link in a new tabHow to fix?
Upgrade RHEL:9 kernel-core to version 0:5.14.0-284.71.1.el9_2 or higher.
This issue was patched in RHSA-2024:4108.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-core package and not the kernel-core package as distributed by RHEL.
See How to fix? for RHEL:9 relevant fixed versions and status.
In the Linux kernel, the following vulnerability has been resolved:
xen-netfront: Add missing skb_mark_for_recycle
Notice that skb_mark_for_recycle() is introduced later than fixes tag in commit 6a5bcd84e886 ("page_pool: Allow drivers to hint on SKB recycling").
It is believed that fixes tag were missing a call to page_pool_release_page() between v5.9 to v5.14, after which is should have used skb_mark_for_recycle(). Since v6.6 the call page_pool_release_page() were removed (in commit 535b9c61bdef ("net: page_pool: hide page_pool_release_page()") and remaining callers converted (in commit 6bfef2ec0172 ("Merge branch 'net-page_pool-remove-page_pool_release_page'")).
This leak became visible in v6.8 via commit dba1b8a7ab68 ("mm/page_pool: catch page_pool memory leaks").
References
- https://access.redhat.com/security/cve/CVE-2024-27393
- https://git.kernel.org/stable/c/037965402a010898d34f4e35327d22c0a95cd51f
- https://git.kernel.org/stable/c/27aa3e4b3088426b7e34584274ad45b5afaf7629
- https://git.kernel.org/stable/c/4143b9479caa29bb2380f3620dcbe16ea84eb3b1
- https://git.kernel.org/stable/c/7c1250796b6c262b505a46192f4716b8c6a6a8c6
- https://git.kernel.org/stable/c/c8b7b2f158d9d4fb89cd2f68244af154f7549bb4
- http://xenbits.xen.org/xsa/advisory-457.html
- http://www.openwall.com/lists/oss-security/2024/05/08/4