CVE-2024-40965

i2c: lpi2c: Avoid calling clk_get_rate during transfer

MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.22 % · percentile 13 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clk_get_rate during transfer Instead of repeatedly calling clk_get_rate for each transfer, lock the clock rate and cache the value. A deadlock has been observed while adding tlv320aic32x4 audio codec to the system. When this clock provider adds its clock, the clk mutex is locked already, it needs to access i2c, which in return needs the mutex for clk_get_rate as well.

Weaknesses (CWE)

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 a55fa9d0e42e31b0292540e6324d481aad307644 < d038693e08adf9c162c6377800495e4f5a2df045 ; affected a55fa9d0e42e31b0292540e6324d481aad307644 < 2b42e9587a7a9c7b824e0feb92958f258263963e ; affected a55fa9d0e42e31b0292540e6324d481aad307644 < 4268254a39484fc11ba991ae148bacbe75d9cc0a
Linux · Linuxaffected 4.10 ; unaffected 0 < 4.10 ; unaffected 6.6.64 ≤ 6.6.* ; unaffected 6.9.7 ≤ 6.9.* ; unaffected 6.10 ≤ *

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