Back
CVE-2022-49429
RDMA/hfi1: Prevent panic when SDMA is disabled
Medium5.5EPSS 0.27%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Prevent panic when SDMA is disabled If the hfi1 module is loaded with HFI1_CAP_SDMA off, a call to hfi1_write_iter() will dereference a NULL pointer and panic. A typical stack frame is: sdma_select_user_engine [hfi1] hfi1_user_sdma_process_request [hfi1] hfi1_write_iter [hfi1] do_iter_readv_writev do_iter_write vfs_writev do_writev do_syscall_64 The fix is to test for SDMA in hfi1_write_iter() and fail the I/O with EINVAL.
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)
- 0.27% · top 81% of all CVEs (7 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 33794e8e9bcb4affc0ebff9cdec85acc8b8a1762
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 0e4dda8b3f4c07ee9ea670a10ea3171a5e63a86f
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < e60ad83f645ee6fadd5a8057ba267aeec54f08fe
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < cc80d3c37cec9d6ddb140483647901bc7cc6c31d
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 32e6aea33944f364d51cd263e4cd236393a188b6
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 29952ab85d6c3fe0b7909d9a737f10c58bf6824d
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 22e7e400fd1a890db2ea13686324aff50e972f4f
- affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d – < 629e052d0c98e46dde9f0824f0aa437f678d9b8f
- affected 4.9
- unaffected < 4.9
- unaffected 4.14.283 – ≤ 4.14.*
- unaffected 4.19.247 – ≤ 4.19.*
- unaffected 5.4.198 – ≤ 5.4.*
- unaffected 5.10.121 – ≤ 5.10.*
- unaffected 5.15.46 – ≤ 5.15.*
- unaffected 5.17.14 – ≤ 5.17.*
- unaffected 5.18.3 – ≤ 5.18.*
- unaffected 5.19 – ≤ *
References (8)
- https://git.kernel.org/stable/c/33794e8e9bcb4affc0ebff9cdec85acc8b8a1762 (opens in a new tab)
- https://git.kernel.org/stable/c/0e4dda8b3f4c07ee9ea670a10ea3171a5e63a86f (opens in a new tab)
- https://git.kernel.org/stable/c/e60ad83f645ee6fadd5a8057ba267aeec54f08fe (opens in a new tab)
- https://git.kernel.org/stable/c/cc80d3c37cec9d6ddb140483647901bc7cc6c31d (opens in a new tab)
- https://git.kernel.org/stable/c/32e6aea33944f364d51cd263e4cd236393a188b6 (opens in a new tab)
- https://git.kernel.org/stable/c/29952ab85d6c3fe0b7909d9a737f10c58bf6824d (opens in a new tab)
- https://git.kernel.org/stable/c/22e7e400fd1a890db2ea13686324aff50e972f4f (opens in a new tab)
- https://git.kernel.org/stable/c/629e052d0c98e46dde9f0824f0aa437f678d9b8f (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-2022-49429)Record last updated .