CVE-2022-49429

RDMA/hfi1: Prevent panic when SDMA is disabled

MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.27 % · percentile 19 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-476 — NULL Pointer Dereference

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < 33794e8e9bcb4affc0ebff9cdec85acc8b8a1762 ; affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < 0e4dda8b3f4c07ee9ea670a10ea3171a5e63a86f ; affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < e60ad83f645ee6fadd5a8057ba267aeec54f08fe ; affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < cc80d3c37cec9d6ddb140483647901bc7cc6c31d ; affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < 32e6aea33944f364d51cd263e4cd236393a188b6 ; affected 0cb2aa690c7ef14ad1f544288349abb5434bb75d < 29952ab85d6c3fe0b7909d9a737f10c58bf6824d
Linux · Linuxaffected 4.9 ; unaffected 0 < 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.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD