Advisory Published
CVE Published
Updated

CVE-2024-27393: xen-netfront: Add missing skb_mark_for_recycle

First published: Wed May 08 2024(Updated: )

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").

Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Affected SoftwareAffected VersionHow to fix
redhat/kernel<5.15.154
5.15.154
redhat/kernel<6.1.85
6.1.85
redhat/kernel<6.6.26
6.6.26
redhat/kernel<6.8.5
6.8.5
redhat/kernel<6.9
6.9
debian/linux<=5.10.223-1<=5.10.226-1
6.1.106-3
6.1.112-1
6.11.5-1

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