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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2026-98353

RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tablesCVE-2026-98353

Answer in brief

CVE-2026-98353 records a Unknown severity vulnerability in RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 6, 2026Updated Oct 6, 2026Source checked Oct 6, 2026First seen by HOL Oct 6, 2026Material review Oct 6, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=4545f355654d044d35a31cd01cc46f491a8a7c36 <74d4085221a7ec5440996af199ccadfa75b9eb0e || >=98df2aee1459ee1c62c70cbe9b370d2a532aea36 <00baeade709fb66da647e8327e8398bb532e30f7 || 610ef81797bb4f709e8675c1d8d093bb9ccdcbd8 || c0a83f29a24c7e7f8516630848ef6db4c174deed || 05b8ca493dd02319bca93c640b259c2ba51ef321 || 1fc9c1933959d2776a1ce7bf424251b8b5b586cd || 6e32f84b63c054e09392153125d7202abab2d14b || ec987c0654651036dad6a42f7fa2a6d7c16a3687 || c92686867638cda954fdb2bdbac8a75e3aa6eaae || >=7.2.6 <7.2.8 || >=6.1.188 <6.2 || >=6.6.157 <6.7 || >=6.12.110 <6.13 || >=6.18.52 <6.1974d4085221a7ec5440996af199ccadfa75b9eb0e, 00baeade709fb66da647e8327e8398bb532e30f7, 7.2.8, 6.2, 6.7, 6.13, 6.19
Linux/Linuxgeneric7.3-rc1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to 74d4085221a7ec5440996af199ccadfa75b9eb0e if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 6, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Use IRQ-safe XArray helpers for QP and CQ tables Locked QP and CQ lookups from EQ interrupts can deadlock with create-path XArray updates. If an interrupt arrives while the create path holds the plain xa_lock, the lookup spins forever trying to acquire the same lock. Use IRQ-safe XArray helpers for all QP and CQ create-path updates, including the GSI QP store and error paths. Initialize both arrays with XA_FLAGS_LOCK_IRQ so sleeping allocations preserve interrupt state.

Quoted source text, attributed separately from HOL analysis.

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  • wifi: mac80211: abort chanswitch when leaving a meshSame linux/linux package

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Oct 6, 2026
References
2 linked sources
Open source record