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CVE-2022-50835· NVD / CVE Program· CNA Linux

jbd2: add miss release buffer head in fc_do_one_pass()

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.23% (FIRST EPSS).
  • Fixed version: Linux Linux 1f48116cbd3404898c9022892e114dd7cc3063c1, 27c7bd35135d5ab38b9138ecf186ce54a96c98d9, 56fcd0788f0d9243c1754bd6f80b8b327c4afeee.

Low priority for now. Upgrade to Linux Linux 1f48116cbd3404898c9022892e114dd7cc3063c1, 27c7bd35135d5ab38b9138ecf186ce54a96c98d9, 56fcd0788f0d9243c1754bd6f80b8b327c4afeee or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fc_do_one_pass() In fc_do_one_pass() miss release buffer head after use which will lead to reference count leak.

—No exploit Fix available
Published
Dec 30, 2025
Updated
Jun 17, 2026
EPSS
0.2% · 13th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

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When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.10affected
    • 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 and later · before e65506ff181fc176088f32117d69b9cb1ddda777affected · git
    • 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 and later · before 56fcd0788f0d9243c1754bd6f80b8b327c4afeeeaffected · git
    • 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 and later · before 27c7bd35135d5ab38b9138ecf186ce54a96c98d9affected · git
    • 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 and later · before 1f48116cbd3404898c9022892e114dd7cc3063c1affected · git
    • 5b849b5f96b47d82b5a432d8b91a8ad260e1de46 and later · before dfff66f30f66b9524b661f311bbed8ff3d2ca49faffected · git
    • before 5.10not affected · semver
    • 5.10.150 and later · up to and including 5.10.*not affected · semver
    • 5.15.75 and later · up to and including 5.15.*not affected · semver
    • 5.19.17 and later · up to and including 5.19.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.0.3-16.0.3-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2022-50833Dec 30, 2025 · Bluetooth: use hdev->workqueue when queuing hdev->{cmd,ncmd}_timer works
    0Monitor
  • ← EarlierCVE-2022-50834Dec 30, 2025 · nfc: Fix potential resource leaks
    0Monitor
  • Later →CVE-2022-50836Dec 30, 2025 · remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev()
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux1f48116cbd3404898c9022892e114dd7cc3063c1Vendor (CNA)
Linux Linux27c7bd35135d5ab38b9138ecf186ce54a96c98d9Vendor (CNA)
Linux Linux56fcd0788f0d9243c1754bd6f80b8b327c4afeeeVendor (CNA)
Linux Linuxdfff66f30f66b9524b661f311bbed8ff3d2ca49fVendor (CNA)
Linux Linuxe65506ff181fc176088f32117d69b9cb1ddda777Vendor (CNA)
debian:linux6.0.3-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (4 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records