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CVE-2020-36775

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fs_trylock_op() in f2fs_write_compressed_pages() to avoid potential deadlock like we did in f2fs_write_single_data_page().
An official patch is available. Apply the patch as soon as possible.
5.5
CVSS
4.7
ShadowTrackr
NO
CISA KEV
-
NCSC.nl
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityNone
IntegrityNone
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch

Change Log
DateSourceChangesScore
2026-07-21PoCE: U→P1.9 → 4.7
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 · PoC

Affected Software
VendorProductVersion
LinuxLinux< 5.6
LinuxLinux≥ 4c8ff7095bef64fc47e996a938f7d57f, < 8e8542437bb4070423c9754d5ba270ff
LinuxLinux≥ 4c8ff7095bef64fc47e996a938f7d57f, < df77fbd8c5b222c680444801ffd20e8b
LinuxLinux≥ 5.6.7, ≤ 5.6.*
LinuxLinux≥ 5.7, ≤ *
LinuxLinux5.6
linuxlinux_kernel< 5.4.189
linuxlinux_kernel≥ 5.5.0, < 5.6.7
Published: 2024-02-26