5.5

CVE-2022-49644: drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector()

Modified
AliasesUBUNTU-CVE-2022-49644DEBIAN-CVE-2022-49644
Published 26-02-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49644 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 20.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 6
RHSA-2023:2458RHSA-2023:2951SUSE-SU-2025:1027-1SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1194-1

Timeline

  1. 26-02-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix a possible refcount leak in intel_dp_add_mst_connector() If drm_connector_init fails, intel_connector_free will be called to take care of proper free. So it is necessary to drop the refcount of port before intel_connector_free. (cherry picked from commit cea9ed611e85d36a05db52b6457bf584b7d969e2)

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.28% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu110 products
  • linuxAll versions (No fix recorded) | < 5.4.0-128.144 | < 5.15.0-50.56
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1086.93 | < 5.15.0-1021.25
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 091a4f91942a4396c67e5747f5cb38c6396d1fc5, < 72f231b9a88abcfac9f5ddaa1a0aacb3f9f87ba5 | ≥ 091a4f91942a4396c67e5747f5cb38c6396d1fc5, < 592f3bad00b7e2a95a6fb7a4f9e742c061c9c3c1 | ≥ 091a4f91942a4396c67e5747f5cb38c6396d1fc5, < 505114dda5bbfd07f4ce9a2df5b7d8ef5f2a1218 | ≥ 091a4f91942a4396c67e5747f5cb38c6396d1fc5, < a91522b4279bebb098106a19b91f82b9c3213be9 | ≥ 091a4f91942a4396c67e5747f5cb38c6396d1fc5, < 85144df9ff4652816448369de76897c57cbb1b93 | 4.15
  • linux_kernel≥ 4.15, < 5.4.207 | ≥ 5.5, < 5.10.132 | ≥ 5.11, < 5.15.56 | ≥ 5.16, < 5.18.13 | 5.19:rc1 | 5.19:rc2 | 5.19:rc3 | 5.19:rc4 | 5.19:rc5 | 5.19:rc6
Debian1 product
  • linux< 5.18.14-1

3 vendors · 113 products

References

9 links