Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Linux Linux — xsk: Fix corrupted packets for XDP_SHARED_UMEM
AV AC PR UI S C I A CVSS EPSS %ile KEV
L L L N U N N H 5.5 .0019 9.4 —
AFFECTED
Product Versions Fixed
Linux 94033cd8e73b8632bab7c8b7bb54caa4f5616db7 – —
Linux 5.16 – 5.19.8
TIMELINE
Jun 18 Reserved by Linux
Jun 18 Published (CNA: Linux)
Aug 4 RESCORED — CVE-2022-49972 (Linux). CVSS 7.8 → 5.5 (NVD).
Description
In the Linux kernel, the following vulnerability has been resolved:
xsk: Fix corrupted packets for XDP_SHARED_UMEM
Fix an issue in XDP_SHARED_UMEM mode together with aligned mode where
packets are corrupted for the second and any further sockets bound to
the same umem. In other words, this does not affect the first socket
bound to the umem. The culprit for this bug is that the initialization
of the DMA addresses for the pre-populated xsk buffer pool entries was
not performed for any socket but the first one bound to the umem. Only
the linear array of DMA addresses was populated. Fix this by populating
the DMA addresses in the xsk buffer pool for every socket bound to the
same umem.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| June 18, 2025 | Reserved | Reserved by Linux |
| June 18, 2025 | Published | Published (CNA: Linux) |
| August 4, 2026 | RESCORED | RESCORED — CVE-2022-49972 (Linux). CVSS 7.8 → 5.5 (NVD). |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Linux | Linux | — | 94033cd8e73b8632bab7c8b7bb54caa4f5616db7 | — |
| Linux | Linux | — | 5.16 | 5.19.8 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2022-49972 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.