CVE-2026-31634

MEDIUMNVD 5.55.5—

5.5

In the Linux kernel, the following vulnerability has been resolved:

rxrpc: fix reference count leak in rxrpc_server_keyring()

This patch fixes a reference count leak in rxrpc_server_keyring() by checking if rx->securities is already set.

CVSS v3: 5.5
EG Score: 5.5(high)
EPSS: 2.9%
KEV: Not listed

Published

April 24, 2026

Last Modified

April 27, 2026

References (7)

416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/12de9e0e0b0b7058be7dfb8a5927eb565bc25780
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/139c750bf06649097d98b0bc41e2a678b4627e27
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8ee931c3cd97f1c42b4fbf057f04b9dae45dfb7a
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9ce36d28f67c2a477a7e2f03480de3f6783fb363
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c6d9ea26cf8756ad6f162578e94a5f82f6fae3c2
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f125846ee79fcae537a964ce66494e96fa54a6de
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fc76d0bd00850b7372f0a4a319c0c60f80487632

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2026-316342026-04-26
rxrpc: fix reference count leak in rxrpc_server_keyring()

Data Freshness Timeline

(refreshed 17× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
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2026-05-24 16:59 UTCepss_batch
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2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-31634?

CVE-2026-31634 is a medium vulnerability published on April 24, 2026. In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix reference count leak in rxrpcserverkeyring() This patch fixes a reference count leak in rxrpcserverkeyring() by checking if rx->securities is already set.

When was CVE-2026-31634 disclosed?

CVE-2026-31634 was first published in the National Vulnerability Database on April 24, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-31634 actively exploited?

CVE-2026-31634 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 2.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-31634?

CVE-2026-31634 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-31634?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-31634, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-31634

📅 Published

🔄 Last Modified

🔗 References (7)

All Vendor Advisories

Data Freshness Timeline

❓ Frequently asked(5)

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🔗 Related CVEs(same vendor)

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Published

Last Modified

References (7)

Frequently asked(5)

Related CVEs(same vendor)