nfc: fix memory leak of se_io context in nfc_genl_se_io (Linux Linux)

CVE-2023-53298
MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.15 % · percentile 4 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: nfc: fix memory leak of se_io context in nfc_genl_se_io The callback context for sending/receiving APDUs to/from the selected secure element is allocated inside nfc_genl_se_io and supposed to be eventually freed in se_io_cb callback function. However, there are several error paths where the bwi_timer is not charged to call se_io_cb later, and the cb_context is leaked. The patch proposes to free the cb_context explicitly on those error paths. At the moment we can't simply check 'dev->ops->se_io()' return value as it may be negative in both cases: when the timer was charged and was not.

Weaknesses (CWE)

  • CWE-401 — Missing Release of Memory after Effective Lifetime

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:HCISA-ADP
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)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 5ce3f32b5264b337bfd13a780452a17705307725 < 5321da6d84b87a34eea441677d649c34bd854169 ; affected 5ce3f32b5264b337bfd13a780452a17705307725 < af452e35b9e6a87cd49e54a7a3d60d934b194651 ; affected 5ce3f32b5264b337bfd13a780452a17705307725 < 271eed1736426103335c5aac50f15b0f4d236bc0 ; affected 5ce3f32b5264b337bfd13a780452a17705307725 < 8978315cb4bf8878c9c8ec05dafd8f7ff539860d ; affected 5ce3f32b5264b337bfd13a780452a17705307725 < c494365432dcdc549986f4d9af9eb6190cbdb153 ; affected 5ce3f32b5264b337bfd13a780452a17705307725 < b2036a252381949d3b743a3de069324ae3028a57
Linux · Linuxaffected 3.13 ; unaffected 0 < 3.13 ; unaffected 4.14.308 ≤ 4.14.* ; unaffected 4.19.276 ≤ 4.19.* ; unaffected 5.4.235 ≤ 5.4.* ; unaffected 5.10.173 ≤ 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