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CVE-2022-49356
SUNRPC: Trap RDMA segment overflows
Critical9.8EPSS 0.68%
- Published
- Updated
- Reserved
- Assigned by
- Linux
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.
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 48% of all CVEs (6 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 (4)
- 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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2022-49356)Record last updated .