Vulnerability · CVE-2026-98429
CVE-2026-98429: RDMA/efa: Keep EQ resources alive while IRQ is registered
Published Oct 14, 2026 · catalog updated Oct 18, 2026 · Linux Linux Kernel
Check if you run it
No confirmed exploitation is on record for CVE-2026-98429. EPSS is 0.21%. Act only if a listed version of Linux Linux Kernel is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium—
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.21%
- Remediation
- Advisory link
- Affected products
- Debian:12 linux · Debian:13 linux · Debian:14 linux · Linux Kernel · linux kernel
From: Greg Kroah-Hartman Description =========== In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before free_irq() synchronized the handler. Initialize the EQ without arming it, register the IRQ, and then arm it. Reverse the resource order during teardown by freeing the IRQ before destroying the EQ. The Linux kernel CVE team has assigned CVE-
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- Debian:12 linux0 → 6.1.190-1
- Debian:13 linux0 → 6.12.113-1
- Debian:14 linux0 → 7.2.8-1
- Linux Kernel5.16.0 → 6.1.189; 6.2.0 → 6.6.158; 6.7.0 → 6.12.112
- linux kernelversion unspecified
How to fix CVE-2026-98429
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-98429. EPSS is 0.21%. Act only if a listed version of Linux Linux Kernel is installed.
Which versions are affected?
Compare what you have installed with Kernel 5.16.0 → 6.1.189; 6.2.0 → 6.6.158; 6.7.0 → 6.12.112. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.21%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Oct 14, 2026 · Tenable CVE Database
Detected
In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before free_irq() synchronized the handler. Initialize the EQ without arming it, register the IRQ, and then arm it.
Oct 17, 2026 · OpenSSF OSV / OSV Scanner
Fix available
linux fixed in 6.1.190-1; linux fixed in 6.12.113-1; linux fixed in 7.2.8-1
Oct 17, 2026 · OpenSSF OSV / OSV Scanner
Fix available
linux fixed in 6.1.190-1
Oct 17, 2026 · OpenSSF OSV / OSV Scanner
Fix available
linux fixed in 6.12.113-1
Oct 17, 2026 · OpenSSF OSV / OSV Scanner
Fix available
linux fixed in 7.2.8-1
Oct 17, 2026 · OpenSSF OSV / OSV Scanner
Updated
In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before free_irq() synchronized the handler. Initialize the EQ without arming it, register the IRQ, and then arm it.
Oct 18, 2026 · OpenSSF OSV / OSV Scanner
Fix available
Kernel fixed in 6.1.189; Kernel fixed in 6.6.158; Kernel fixed in 6.12.112; Kernel fixed in 6.18.54
Oct 18, 2026 · OpenSSF OSV / OSV Scanner
Fix available
Kernel fixed in 6.1.189; 6.2.0
Oct 18, 2026 · OpenSSF OSV / OSV Scanner
Updated
In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before free_irq() synchronized the handler. Initialize the EQ without arming it, register the IRQ, and then arm it.
Sources
- CVE.orgVulnerability recordCVE-2026-98429
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-98429
30-day exploitation probability 0.2%
first.org - Linux Kernel CVEVendor advisoryCVE-2026-98429
From: Greg Kroah-Hartman Description =========== In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state
git.kernel.org - OpenSSF OSV / OSV ScannerPackage advisoryCVE-2026-98429
RDMA/efa: Keep EQ resources alive while IRQ is registered
osv.dev - OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2026-98429osv.dev
- Tenable CVE DatabaseVulnerability recordCVE-2026-98429
In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep EQ resources alive while IRQ is registered The completion IRQ handler accesses the EQ state and DMA buffer. Its IRQ was registered before that state was initialized, while teardown released the buffer before free_irq() synchronized the handler. Initialize the EQ without arming it, register the IRQ, and then arm it.
tenable.com
References
Freshness
Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.