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NVD / CVE Program· CNA Linux

CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000

Noroxi assessment

Priority: Monitor (action score 22/100)

  • 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: 0.50% (FIRST EPSS).
  • Someone with local access to the system can trigger it. A low-privileged account is enough. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: Linux Linux 157d468e34fdd3cb1ddc07c2be32fb3b02826b02, 3.1, 5a605930e19f451294bd838754f7d66c976a8a2c.
  • Severity is disputed: the assigning authority (CNA) scores it 8.8, NVD 5.5.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 157d468e34fdd3cb1ddc07c2be32fb3b02826b02, 3.1, 5a605930e19f451294bd838754f7d66c976a8a2c 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: fs/9p: only translate RWX permissions for plain 9P2000 Garbage in plain 9P2000's perm bits is allowed through, which causes it to be able to set (among others) the suid bit. This was presumably not the intent since the unix extended bits are handled explicitly and conditionally on .u.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
Jun 3, 2024
Updated
Aug 5, 2026
EPSS
0.5% · 43th percentile
CWE
—

Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · Linux
8.8
3.3 point gap

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

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.

VendorProduct
linuxlinux kernel
debiandebian linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • debian debian linux10.0
  • linux linux kernel4.20 and later · before 5.4.276
  • linux linux kernel5.5 and later · before 5.10.217
  • linux linux kernel5.11 and later · before 5.15.159
  • linux linux kernelbefore 4.19.314
  • linux linux kernel6.2 and later · before 6.6.31
  • linux linux kernel6.7 and later · before 6.8.10
  • linux linux kernel5.16 and later · before 6.1.91
  • linux linux kernel6.9

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

    • 29a3e8657d2a2640384166e3fe29a086d235fc33, 3.1affected
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before e90bc596a74bb905e0a45bf346038c3f9d1e868daffected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before df1962a199783ecd66734d563caf0fedecf08f96affected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before 5a605930e19f451294bd838754f7d66c976a8a2caffected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before ad4f65328661392de74e3608bb736fedf3b67e32affected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before ca9b5c81f0c918c63d73d962ed8a8e231f840bc8affected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before e55c601af3b1223a84f9f27f9cdbd2af5e203bf3affected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before 157d468e34fdd3cb1ddc07c2be32fb3b02826b02affected · git
    • 45089142b1497dab2327d60f6c71c40766fc3ea4 and later · before cd25e15e57e68a6b18dc9323047fe9c68b99290baffected · git
    • 3.0.5 and later · before 3.1affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.94-16.1.94-1
Debian:13linuxbefore 6.8.11-16.8.11-1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_48before 14-2.114-2.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_50before 13-2.113-2.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_52before 11-2.111-2.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_54before 9-8.10.19-8.10.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_54before 8-8.10.18-8.10.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_54before 10-8.10.110-8.10.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_56before 9-8.6.19-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_56before 8-8.6.18-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_56before 7-8.6.17-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_56before 6-8.6.16-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_57before 5-8.6.15-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_57before 3-8.6.13-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_57before 4-8.6.14-8.6.1
SUSE:Linux Enterprise Live Patching 12 SP5kgraft-patch-SLE12-SP5_Update_57before 6-8.6.16-8.6.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_41before 14-150200.2.114-150200.2.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_42before 14-150200.2.114-150200.2.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_45before 10-150200.2.110-150200.2.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_46before 8-150200.5.6.18-150200.5.6.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_47before 8-150200.5.6.18-150200.5.6.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_47before 7-150200.5.6.17-150200.5.6.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_48before 8-150200.5.6.18-150200.5.6.1
SUSE:Linux Enterprise Live Patching 15 SP2kernel-livepatch-SLE15-SP2_Update_48before 6-150200.5.6.16-150200.5.6.1

+70

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeKEV
    90Now
  • CVE-2022-0847A flaw was found in the way the "flags" member of the new pipe buffer structure was lacking proper initialization in copy_page_to_iter_pipe KEV
    89Now
  • CVE-2021-22555Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACEKEV
    85Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-36962Jun 3, 2024 · net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs
    22Monitor
  • ← EarlierCVE-2024-36963Jun 3, 2024 · tracefs: Reset permissions on remount if permissions are options
    31Monitor
  • Later →CVE-2024-36965Jun 8, 2024 · remoteproc: mediatek: Make sure IPI buffer fits in L2TCM
    22Monitor

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 Linux157d468e34fdd3cb1ddc07c2be32fb3b02826b02Vendor (CNA)
Linux Linux3.1Vendor (CNA)
Linux Linux5a605930e19f451294bd838754f7d66c976a8a2cVendor (CNA)
Linux Linuxad4f65328661392de74e3608bb736fedf3b67e32Vendor (CNA)
Linux Linuxca9b5c81f0c918c63d73d962ed8a8e231f840bc8Vendor (CNA)
Linux Linuxcd25e15e57e68a6b18dc9323047fe9c68b99290bVendor (CNA)
Linux Linuxdf1962a199783ecd66734d563caf0fedecf08f96Vendor (CNA)
Linux Linuxe55c601af3b1223a84f9f27f9cdbd2af5e203bf3Vendor (CNA)
Linux Linuxe90bc596a74bb905e0a45bf346038c3f9d1e868dVendor (CNA)
debian:linux6.1.94-1 · Debian:12Package registry (OSV)
suse:kernel-default3.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage registry (OSV)
suse:kernel-ec23.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage registry (OSV)
suse:kernel-livepatch-SLE15-SP5-RT_Update_117-150500.11.6.1 · SUSE:Linux Enterprise Live Patching 15 SP5Package registry (OSV)
suse:kernel-livepatch-SLE15-SP5-RT_Update_155-150500.11.6.1 · SUSE:Linux Enterprise Live Patching 15 SP5Package registry (OSV)
suse:kernel-livepatch-SLE15-SP5-RT_Update_713-150500.2.1 · SUSE:Linux Enterprise Live Patching 15 SP5Package registry (OSV)
suse:kernel-livepatch-SLE15-SP6-RT_Update_04-150600.3.1 · SUSE:Linux Enterprise Live Patching 15 SP6Package registry (OSV)
suse:kernel-rt5.14.21-150400.15.85.1 · SUSE:Linux Enterprise Micro 5.3Package registry (OSV)
suse:kernel-source3.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage registry (OSV)
suse:kernel-source-rt5.14.21-150400.15.85.1 · SUSE:Linux Enterprise Micro 5.3Package registry (OSV)
suse:kernel-syms3.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage registry (OSV)
suse:kernel-trace3.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage registry (OSV)
suse:kernel-xen3.0.101-108.159.1 · SUSE:Linux Enterprise Server 11 SP4 LTSS EXTREME COREPackage 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.

No history yet (it accumulates with the daily EPSS job).

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).

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
none
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

Weakness class (CWE)

—

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

nvd-primary

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