Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt (Linux Linux)

CVE-2022-49139
MEDIUM 5.5

At a glance

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

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of an existing LE connection, LE link type and a status that triggers the second case of the packet processing a NULL pointer dereference happens, as conn->link is NULL.

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: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 efc7688b557dd1be10eead7399b315efcb1dbc74 < 1c1291a84e94f6501644634c97544bb8291e9a1a ; affected efc7688b557dd1be10eead7399b315efcb1dbc74 < 0f9db1209f59844839175b5b907d3778cafde93d ; affected efc7688b557dd1be10eead7399b315efcb1dbc74 < c1aa0dd52db4ce888be0bd820c3fa918d350ca0b ; affected efc7688b557dd1be10eead7399b315efcb1dbc74 < f61c23e73dc653b957781066abfa8105c3fa3f5b ; affected efc7688b557dd1be10eead7399b315efcb1dbc74 < 3afee2118132e93e5f6fa636dfde86201a860ab3
Linux · Linuxaffected 2.6.30 ; unaffected 0 < 2.6.30 ; unaffected 5.4.231 ≤ 5.4.* ; unaffected 5.10.167 ≤ 5.10.* ; unaffected 5.15.92 ≤ 5.15.* ; unaffected 5.17.3 ≤ 5.17.*

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