Vulnerability in Linux
CVE-2026-43494
In the Linux kernel, the following vulnerability has been resolved: net/rds: reset op_nents when zerocopy page pin fails When iov_iter_get_pages2() fails in rds_message_zcopy_from_user(), the pinned pages are released with put_page(), an…
EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 5.15.209, 4.17, 7.1-rc4
Public proof-of-concept exploits
References
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- af854a3a-2127-422b-91ae-364da2661108
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Frequently asked questions
- What is CVE-2026-43494?
- CVE-2026-43494 is a high-severity vulnerability in Linux. CVSS score: 7.8/10. Published 2026-05-21.
- How severe is CVE-2026-43494?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2026-43494 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.