CVE-2026-74559xsk: drain continuation descs after overflow in xsk_build_skb()
Updated under an hour ago ()
Does this affect you?
It affects Linux. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Free account, 1 product
In the Linux kernel, the following vulnerability has been resolved: xsk: drain continuation descs after overflow in xsk_build_skb() Fix generic xmit path multi-buffer logic when packets are either too big (count of descriptors exceed MAX_SKB_FRAGS) or an invalid descriptor is included in fragmented packet. Introduce xdp_sock::drain_cont and act upon this flag - when it is set, keep on consuming descriptors from AF_XDP Tx ring and put them directly onto Cq. Previously these descriptors were silently lost and could never be reached again.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Aug 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from cf24f5a5feeaae34c1a34d1e04f8ac697290427a before ceb00cb87a22c42d20c39336213db2b843ca9e34; from cf24f5a5feeaae34c1a34d1e04f8ac697290427a before 5e94d74e4f3baebaa083288f33b4be7ce0a34982; from cf24f5a5feeaae34c1a34d1e04f8ac697290427a before bd44a6dcd4248883de90f5dad53ae80066e27096 | CNA record |
References
- https://git.kernel.org/stable/c/ceb00cb87a22c42d20c39336213db2b843ca9e34
- https://git.kernel.org/stable/c/5e94d74e4f3baebaa083288f33b4be7ce0a34982
- https://git.kernel.org/stable/c/bd44a6dcd4248883de90f5dad53ae80066e27096
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.