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CVE-2022-49356SUNRPC: Trap RDMA segment overflows
- 9.8CriticalCVSS base score
- 0.68%Exploitation in 30 daysEPSS · top 47% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svc_rdma_build_writes() from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, and might have been left over from an earlier prototype of the PCL work.
Timeline
ID reserved
By Linux
Published
- 18 months later
· 18 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.68% · top 47% of all CVEs (12 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected 7a1cbfa18059a40d4752dab057384c3ca2de326c – < ea26bf5eca1459b5a7824997d7823409ce38214e
- affected 7a1cbfa18059a40d4752dab057384c3ca2de326c – < 812c13521d4a72469c78ce06d8cdc8dc5b5557b5
- affected 7a1cbfa18059a40d4752dab057384c3ca2de326c – < 659f7568e09593945c221bf20217a82ebdfe1328
- affected 7a1cbfa18059a40d4752dab057384c3ca2de326c – < f012e95b377c73c0283f009823c633104dedb337
- affected 5.11
- unaffected < 5.11
- unaffected 5.15.47 – ≤ 5.15.*
- unaffected 5.17.15 – ≤ 5.17.*
- unaffected 5.18.4 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References
References4
- https://git.kernel.org/stable/c/ea26bf5eca1459b5a7824997d7823409ce38214e (opens in a new tab)
- https://git.kernel.org/stable/c/812c13521d4a72469c78ce06d8cdc8dc5b5557b5 (opens in a new tab)
- https://git.kernel.org/stable/c/659f7568e09593945c221bf20217a82ebdfe1328 (opens in a new tab)
- https://git.kernel.org/stable/c/f012e95b377c73c0283f009823c633104dedb337 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-54873 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-49356)Record last updated .