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NVD / CVE Program· CNA Linux

CVE-2023-52677: riscv: Check if the code to patch lies in the exit section

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: 0.22% (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 1d7a03052846f34d624d0ab41a879adf5e85c85f, 420370f3ae3d3b883813fd3051a38805160b2b9f, 890cfe5337e0aaf03ece1429db04d23c88da72e7.
  • Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Low priority for now. Upgrade to Linux Linux 1d7a03052846f34d624d0ab41a879adf5e85c85f, 420370f3ae3d3b883813fd3051a38805160b2b9f, 890cfe5337e0aaf03ece1429db04d23c88da72e7 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: riscv: Check if the code to patch lies in the exit section Otherwise we fall through to vmalloc_to_page() which panics since the address does not lie in the vmalloc region.

MediumCVSS 5.5 · v3.1—No exploit Fix available
Published
May 17, 2024
Updated
Jun 17, 2026
EPSS
0.2% · 13th 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 · 0.2%

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-2023-52677

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

Affected versions

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

  • linux linux kernel5.7 and later · before 5.15.148
  • linux linux kernel5.16 and later · before 6.1.75
  • linux linux kernel6.2 and later · before 6.6.14
  • linux linux kernel6.7 and later · before 6.7.2

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

    • 5.7affected
    • 043cb41a85de1c0e944da61ad7a264960e22c865 and later · before 938f70d14618ec72e10d6fcf8a546134136d7c13affected · git
    • 043cb41a85de1c0e944da61ad7a264960e22c865 and later · before 890cfe5337e0aaf03ece1429db04d23c88da72e7affected · git
    • 043cb41a85de1c0e944da61ad7a264960e22c865 and later · before 8db56df4a954b774bdc68917046a685a9fa2e4bcaffected · git
    • 043cb41a85de1c0e944da61ad7a264960e22c865 and later · before 1d7a03052846f34d624d0ab41a879adf5e85c85faffected · git
    • 043cb41a85de1c0e944da61ad7a264960e22c865 and later · before 420370f3ae3d3b883813fd3051a38805160b2b9faffected · git
    • before 5.7not affected · semver
    • 5.15.148 and later · up to and including 5.15.*not affected · semver
    • 6.1.75 and later · up to and including 6.1.*not affected · semver
    • 6.6.14 and later · up to and including 6.6.*not affected · semver

Package-level exposure

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

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.76-16.1.76-1
Debian:13linuxbefore 6.6.15-16.6.15-1

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-2023-52674May 17, 2024 · ALSA: scarlett2: Add clamp() in scarlett2_mixer_ctl_put()
    22Monitor
  • ← EarlierCVE-2023-52676May 17, 2024 · bpf: Guard stack limits against 32bit overflow
    22Monitor
  • Later →CVE-2023-52678May 17, 2024 · drm/amdkfd: Confirm list is non-empty before utilizing list_first_entry in kfd_topology.c
    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 Linux1d7a03052846f34d624d0ab41a879adf5e85c85fVendor (CNA)
Linux Linux420370f3ae3d3b883813fd3051a38805160b2b9fVendor (CNA)
Linux Linux890cfe5337e0aaf03ece1429db04d23c88da72e7Vendor (CNA)
Linux Linux8db56df4a954b774bdc68917046a685a9fa2e4bcVendor (CNA)
Linux Linux938f70d14618ec72e10d6fcf8a546134136d7c13Vendor (CNA)
debian:linux6.1.76-1 · 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.

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 (4 more)

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

All records