CVE-2026-46010· NVD / CVE Program· CNA Linux

rxrpc: Fix error handling in rxgk_extract_token()

Noroxi assessment

Priority: Monitor (action score 32/100)

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: 0.55% (FIRST EPSS).
Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. Special conditions such as timing or configuration are required.
Fixed version: Linux Linux 293095ef618818852bac5488c1bc223935e2ca17, 3476c8bb960f48e49355d6f93fb7673211e0163f, 6.17.

Low priority for now. Upgrade to Linux Linux 293095ef618818852bac5488c1bc223935e2ca17, 3476c8bb960f48e49355d6f93fb7673211e0163f, 6.17 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: rxrpc: Fix error handling in rxgk_extract_token() Fix a missing bit of error handling in rxgk_extract_token(): in the event that rxgk_decrypt_skb() returns -ENOMEM, it should just return that rather than continuing on (for anything else, it generates an abort).

HighCVSS 8.1 · v3.1—No exploit Fix available

Pre-auth

BDU:2026-15639

Published: May 27, 2026
Updated: Aug 5, 2026
EPSS: 0.5% · 45th percentile
CWE: —

Report tools

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Action score

Monitor

Low priority for now.

CVSS: 32 / 40 · 8.1 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.5%

CNA vs NVD score

NVD: —
CNA · Linux: 8.1; NVD has not scored this yet; the score shown is the CNA’s.

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

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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.

Vendor	Product	CPE
linux	linux kernel	cpe:2.3:o:linux:linux_kernel

Affected versions

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

linux linux kernel6.16.9 and later · before 6.17
linux linux kernel6.17.1 and later · before 6.18.27
linux linux kernel6.19 and later · before 7.0.4
linux linux kernel6.17

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
- 8ac99c57029e13ebb5fb0d634925abedef32b53a, 6.17affected
- 64863f4ca4945bdb62ce2b30823f39ea9fe95415 and later · before 293095ef618818852bac5488c1bc223935e2ca17affected · git
- 64863f4ca4945bdb62ce2b30823f39ea9fe95415 and later · before c52803e925604e2a17962ab0c99dce2d3f7238dbaffected · git
- 64863f4ca4945bdb62ce2b30823f39ea9fe95415 and later · before 3476c8bb960f48e49355d6f93fb7673211e0163faffected · git
- 6.16.9 and later · before 6.17affected · semver
- before 6.17not affected · semver
- 6.18.27 and later · up to and including 6.18.*not affected · semver
- 7.0.4 and later · up to and including 7.0.*not affected · semver
- 7.1 and laternot affected · original_commit_for_fix

Package-level exposure

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

Ecosystem	Package	Affected range	Fix
Debian:14	linux	before 7.0.4-1	7.0.4-1

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-2026-46007May 27, 2026 · hwmon: (powerz) Avoid cacheline sharing for DMA buffer
22Monitor
← EarlierCVE-2026-46009May 27, 2026 · PCI: endpoint: pci-epf-ntb: Remove duplicate resource teardown
22Monitor
Later →CVE-2026-46011May 27, 2026 · media: mtk-jpeg: fix use-after-free in release path due to uncancelled work
31Monitor

Remediation

Which version to upgrade to

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

Product / package	Fixed version	Source
Linux Linux	293095ef618818852bac5488c1bc223935e2ca17	Vendor (CNA)
Linux Linux	3476c8bb960f48e49355d6f93fb7673211e0163f	Vendor (CNA)
Linux Linux	6.17	Vendor (CNA)
Linux Linux	c52803e925604e2a17962ab0c99dce2d3f7238db	Vendor (CNA)
debian:linux	7.0.4-1 · Debian:14	Package 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

Attack conditions

Anyone who can reach it over the internet can trigger it.
No account or password is required.
No user action is required.
Special conditions such as timing or configuration are required.

If successful

Confidentiality: high · data can be read
Integrity: high · data or configuration can be modified
Availability: high · the service can be disrupted

Attack vector: Network
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

Weakness class (CWE)

—

CVSS vector

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

Fix✗ → ✓Sep 28, 2026, 10:09 PM UTC

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

References

git.kernel.org/stable/c/293095ef618818852bac5488c1bc223935e2ca17

Show all references (2 more)

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

All records