CVE-2022-49950
misc: fastrpc: fix memory corruption on open
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix memory corruption on open The probe session-duplication overflow check incremented the session count also when there were no more available sessions so that memory beyond the fixed-size slab-allocated session array could be corrupted in fastrpc_session_alloc() on open().
Timeline
ID reserved
By Linux
Published
- 14 months later
· 14 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 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 83% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 – < f8632b8bb53ebc005d8f24a68a0c1f9678c0e908
- affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 – < 5cf2a57c7a01a0d7bdecf875a63682f542891b1b
- affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 – < cf20c3533efc89578ace94fa20a9e63446223c72
- affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 – < e0578e603065f120a8759b75e0d6c216c7078a39
- affected f6f9279f2bf0e37e2f1fb119d8832b8568536a04 – < d245f43aab2b61195d8ebb64cef7b5a08c590ab4
- affected 5.1
- unaffected < 5.1
- unaffected 5.4.213 – ≤ 5.4.*
- unaffected 5.10.142 – ≤ 5.10.*
- unaffected 5.15.66 – ≤ 5.15.*
- unaffected 5.19.8 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (5)
- https://git.kernel.org/stable/c/f8632b8bb53ebc005d8f24a68a0c1f9678c0e908 (opens in a new tab)
- https://git.kernel.org/stable/c/5cf2a57c7a01a0d7bdecf875a63682f542891b1b (opens in a new tab)
- https://git.kernel.org/stable/c/cf20c3533efc89578ace94fa20a9e63446223c72 (opens in a new tab)
- https://git.kernel.org/stable/c/e0578e603065f120a8759b75e0d6c216c7078a39 (opens in a new tab)
- https://git.kernel.org/stable/c/d245f43aab2b61195d8ebb64cef7b5a08c590ab4 (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)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2022-49950)Record last updated .