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CVE-2020-36777

In the Linux kernel, the following vulnerability has been resolved: media: dvbdev: Fix memory leak in dvb_media_device_free() dvb_media_device_free() is leaking memory. Free `dvbdev->adapter->conn` before setting it to NULL, as documented in include/media/media-device.h: "The media_entity instance itself must be freed explicitly by the driver if required."
An official patch is available. Apply the patch as soon as possible.
5.5
CVSS
1.9
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21nvdAV: P→L, AC: H→L, PR: H→L, UI: A→N, VA: N→H0.0 → 1.9
2026-07-21nvdpatch: Unavailable→Official Patch0.0 → 0.0
2026-07-21cve.orginitial, patch: Unavailable0.0
References: CVE.org · NVD

Affected Software
VendorProductVersion
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < 9185b3b1c143b8da409c19ac5a785aa1
LinuxLinux≥ 4.19.191, ≤ 4.19.*
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < 43263fd43083e412311fa764cd04a727
LinuxLinux≥ 4.9.269, ≤ 4.9.*
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < 9ad15e214fcd73694ea51967d86055f4
LinuxLinux≥ 4.14.233, ≤ 4.14.*
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < cede24d13be6c2a62be6d7ceea63c271
LinuxLinux≥ 5.4.118, ≤ 5.4.*
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < bf9a40ae8d722f281a2721779595d6df
LinuxLinux≥ 5.10.36, ≤ 5.10.*
LinuxLinux≥ 5.11.20, ≤ 5.11.*
LinuxLinux≥ 5.12.3, ≤ 5.12.*
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < 06854b943e0571ccbd7ad0a529babed1
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < 32168ca1f123316848fffb85d059860a
LinuxLinux< 4.5
LinuxLinux≥ 0230d60e4661d9ced6fb0b9a30f182eb, < cd89f79be5d553c78202f686e8e4caa5
LinuxLinux≥ 5.13, ≤ *
LinuxLinux4.5
linuxlinux_kernel≥ 5.5.0, < 5.10.36
linuxlinux_kernel≥ 5.11.0, < 5.11.20
linuxlinux_kernel≥ 5.12.0, < 5.12.3
linuxlinux_kernel≥ 4.5.0, < 4.9.269
linuxlinux_kernel≥ 4.10.0, < 4.14.233
linuxlinux_kernel≥ 4.15.0, < 4.19.191
linuxlinux_kernel≥ 4.20.0, < 5.4.118
Published: 2024-02-27