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CVE-2022-50779· NVD / CVE Program· CNA Linux

orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string()

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: 0.30% (FIRST EPSS).
  • Fixed version: Linux Linux 19be31668552a198e887762e25bdcc560800ecb4, 2e7c09121064df93c58bbc49d3d0f608d3f584bd, 39529b79b023713d4f2d3479dc0ca43ba99df726.

Low priority for now. Upgrade to Linux Linux 19be31668552a198e887762e25bdcc560800ecb4, 2e7c09121064df93c58bbc49d3d0f608d3f584bd, 39529b79b023713d4f2d3479dc0ca43ba99df726 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: orangefs: Fix kmemleak in orangefs_prepare_debugfs_help_string() When insert and remove the orangefs module, then debug_help_string will be leaked: unreferenced object 0xffff8881652ba000 (size 4096): comm "insmod", pid 1701, jiffies 4294893639 (age 13218.530s) hex dump (first 32 bytes): 43 6c 69 65 6e 74 20 44 65 62 75 67 20 4b 65 79 Client Debug Key 77 6f 72 64 73 20 61 72 65 20 75 6e 6b 6e 6f 77 words are unknow backtrace: [<0000000004e6f8e3>] kmalloc_trace+0x27/0xa0 [<0000000006f75d85>] orangefs_prepare_debugfs_help_string+0x5e/0x480 [orangefs] [<0000000091270a2a>] _sub_I_65535_1+0x57/0xf70 [crc_itu_t] [<000000004b1ee1a3>] do_one_initcall+0x87/0x2a0 [<000000001d0614ae>] do_init_module+0xdf/0x320 [<00000000efef068c>] load_module+0x2f98/0x3330 [<000000006533b44d>] __do_sys_finit_module+0x113/0x1b0 [<00000000a0da6f99>] do_syscall_64+0x35/0x80 [<000000007790b19b>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 When remove the module, should always free debug_help_string. Should always free the allocated buffer when change the free_debug_help_string.

—No exploit Fix available
Published
Dec 24, 2025
Updated
Jun 17, 2026
EPSS
0.3% · 21th 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 · 0.3%

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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

    • 4.9affected
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before 44d3eac26a5e5268d11cc342dc202b0d31505c0aaffected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before f2b8a6aac561a49fe02c99683c40a8b87a9f68fcaffected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before ba9d3b9cec20957fd86bb1bf525b4ea8b64b2deaaffected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before 2e7c09121064df93c58bbc49d3d0f608d3f584bdaffected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before b8affa0c6405ee968dcb6030bee2cf719a464752affected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before 39529b79b023713d4f2d3479dc0ca43ba99df726affected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before 3fc221d9a16339a913a0341d3efc7fef339073e1affected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before 19be31668552a198e887762e25bdcc560800ecb4affected · git
    • dc0336214eb07ee9de2a41dd4c81c744ffa419ac and later · before d23417a5bf3a3afc55de5442eb46e1e60458b0a1affected · git

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.4-16.1.4-1

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-2022-50777Dec 24, 2025 · net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe
    0Monitor
  • ← EarlierCVE-2022-50778Dec 24, 2025 · fortify: Fix __compiletime_strlen() under UBSAN_BOUNDS_LOCAL
    0Monitor
  • Later →CVE-2022-50781Dec 24, 2025 · amdgpu/pm: prevent array underflow in vega20_odn_edit_dpm_table()
    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 Linux19be31668552a198e887762e25bdcc560800ecb4Vendor (CNA)
Linux Linux2e7c09121064df93c58bbc49d3d0f608d3f584bdVendor (CNA)
Linux Linux39529b79b023713d4f2d3479dc0ca43ba99df726Vendor (CNA)
Linux Linux3fc221d9a16339a913a0341d3efc7fef339073e1Vendor (CNA)
Linux Linux44d3eac26a5e5268d11cc342dc202b0d31505c0aVendor (CNA)
Linux Linuxb8affa0c6405ee968dcb6030bee2cf719a464752Vendor (CNA)
Linux Linuxba9d3b9cec20957fd86bb1bf525b4ea8b64b2deaVendor (CNA)
Linux Linuxd23417a5bf3a3afc55de5442eb46e1e60458b0a1Vendor (CNA)
Linux Linuxf2b8a6aac561a49fe02c99683c40a8b87a9f68fcVendor (CNA)
debian:linux6.1.4-1 · 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 (8 more)

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

All records