f2fs: fix to avoid potential deadlock
Published Feb 26, 2024
5.5
MEDIUMCVSS 3.1
EPSS 0.17%
Description
Using f2fs_trylock_op() in f2fs_write_compressed_pages() to avoid potential deadlock like we did in f2fs_write_single_data_page().
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 5.6StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<5.6
- Version 5.6.7StatusunaffectedConstraints<=5.6.*
- Version 5.7StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- < 5.4.189
- ≥ 5.5.0 · < 5.6.7
No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 9 and 8 is not affected by this vulnerability.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Feb 27, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.17% (0.00170) | 5.65th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.17% (0.00170) | 6.58th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00025) | 4.20th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Apr 21, 2024 | 0.04% (0.00042) | 5.29th | v3 (v2023.03.01) |
| Feb 27, 2024 | 0.04% (0.00045) | 12.21th | v3 (v2023.03.01) |
References (8)
- https://access.redhat.com/security/cve/CVE-2020-36775 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2266267 Issue Tracking
- https://git.kernel.org/stable/c/0478ccdc8ea016de1ebaf6fe6da0275c2b258c5b Patch
- https://git.kernel.org/stable/c/8e8542437bb4070423c9754d5ba270ffdbae8c8d Patch
- https://git.kernel.org/stable/c/df77fbd8c5b222c680444801ffd20e8bbc90a56e Patch
- https://lore.kernel.org/linux-cve-announce/2024022602-CVE-2020-36775-1cbe@gregkh/
- https://nvd.nist.gov/vuln/detail/CVE-2020-36775
- https://www.cve.org/CVERecord?id=CVE-2020-36775
Change history (0)
No recorded changes yet.