CVE-2022-50138
RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr()
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/qedr: Fix potential memory leak in __qedr_alloc_mr() __qedr_alloc_mr() allocates a memory chunk for "mr->info.pbl_table" with init_mr_info(). When rdma_alloc_tid() and rdma_register_tid() fail, "mr" is released while "mr->info.pbl_table" is not released, which will lead to a memory leak. We should release the "mr->info.pbl_table" with qedr_free_pbl() when error occurs to fix the memory leak.
Timeline
ID reserved
By Linux
Published
- 11 months later
· 11 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 |
|---|---|---|---|
| NVDNVD · Analyzed | 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)
- 0.25% · top 83% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected e0290cce6ac02f8e5ec501f25f6f6900f384550c – < 79ce50dddaf28b5c57911ecc80a2be17a0b17f83
- affected e0290cce6ac02f8e5ec501f25f6f6900f384550c – < 7e647a8d5fc0a2c8e0f36f585a6388286a25bb15
- affected e0290cce6ac02f8e5ec501f25f6f6900f384550c – < 07ba048df306dc93fc4d2ef670b9e24644a2069f
- affected e0290cce6ac02f8e5ec501f25f6f6900f384550c – < b4c9f7db9f0148423557539af0fdf513338efe08
- affected e0290cce6ac02f8e5ec501f25f6f6900f384550c – < b3236a64ddd125a455ef5b5316c1b9051b732974
- affected 4.9
- unaffected < 4.9
- unaffected 5.10.137 – ≤ 5.10.*
- unaffected 5.15.61 – ≤ 5.15.*
- unaffected 5.18.18 – ≤ 5.18.*
- unaffected 5.19.2 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (5)
- https://git.kernel.org/stable/c/79ce50dddaf28b5c57911ecc80a2be17a0b17f83 (opens in a new tab)
- https://git.kernel.org/stable/c/7e647a8d5fc0a2c8e0f36f585a6388286a25bb15 (opens in a new tab)
- https://git.kernel.org/stable/c/07ba048df306dc93fc4d2ef670b9e24644a2069f (opens in a new tab)
- https://git.kernel.org/stable/c/b4c9f7db9f0148423557539af0fdf513338efe08 (opens in a new tab)
- https://git.kernel.org/stable/c/b3236a64ddd125a455ef5b5316c1b9051b732974 (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://trackcve.app/cve/CVE-2022-50138)Record last updated .