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CVE-2024-35940· NVD / CVE Program· CNA Linux

pstore/zone: Add a null pointer check to the psz_kmsg_read

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: 0.21% (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 0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb, 635594cca59f9d7a8e96187600c34facb8bc0682, 6f9f2e498eae7897ba5d3e33908917f68ff4abcc.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bb, 635594cca59f9d7a8e96187600c34facb8bc0682, 6f9f2e498eae7897ba5d3e33908917f68ff4abcc 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: pstore/zone: Add a null pointer check to the psz_kmsg_read kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
May 19, 2024
Updated
Oct 15, 2026
EPSS
0.2% · 10th percentile

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 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

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.

Follow CVE-2024-35940

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 kernelbefore 5.10.215
  • linux linux kernel5.11 and later · before 5.15.155
  • linux linux kernel5.16 and later · before 6.1.86
  • linux linux kernel6.2 and later · before 6.6.27
  • linux linux kernel6.7 and later · before 6.8.6

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

    • 5.8affected
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before 98e2b97acb875d65bdfc75fc408e67975cef3041affected · git
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before 0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bbaffected · git
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before 635594cca59f9d7a8e96187600c34facb8bc0682affected · git
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before ec7256887d072f98c42cdbef4dcc80ddf84c7a70affected · git
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before 6f9f2e498eae7897ba5d3e33908917f68ff4abccaffected · git
    • d26c3321fe18dc74517dc1f518d584aa33b0a851 and later · before 98bc7e26e14fbb26a6abf97603d59532475e97f8affected · git
    • before 5.8not affected · semver
    • 5.10.215 and later · up to and including 5.10.*not affected · semver
    • 5.15.155 and later · up to and including 5.15.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.90-16.1.90-1
Debian:13linuxbefore 6.8.9-16.8.9-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • 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
  • CVE-2016-5195Race condition in mm/gup.c in the Linux kernel 2.x through 4.x before 4.8.3 allows local users to gain privileges by leveraging incorrect haKEV
    83Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-35936May 19, 2024 · btrfs: handle chunk tree lookup error in btrfs_relocate_sys_chunks()
    22Monitor
  • ← EarlierCVE-2024-35937May 19, 2024 · wifi: cfg80211: check A-MSDU format more carefully
    28Monitor
  • Later →CVE-2024-35944May 19, 2024 · VMCI: Fix memcpy() run-time warning in dg_dispatch_as_host()
    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 Linux0ff96ec22a84d80a18d7ae8ca7eb111c34ee33bbVendor (CNA)
Linux Linux635594cca59f9d7a8e96187600c34facb8bc0682Vendor (CNA)
Linux Linux6f9f2e498eae7897ba5d3e33908917f68ff4abccVendor (CNA)
Linux Linux98bc7e26e14fbb26a6abf97603d59532475e97f8Vendor (CNA)
Linux Linux98e2b97acb875d65bdfc75fc408e67975cef3041Vendor (CNA)
Linux Linuxec7256887d072f98c42cdbef4dcc80ddf84c7a70Vendor (CNA)
debian:linux6.1.90-1 · 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).

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)

CWE-476 · NULL Pointer Dereference

CVSS vector

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

nvd-secondary

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 (7 more)

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

All records