In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Disable EOP for TPA on all chips to prevent data corruption EOP (End of… (CVE-2026-74697)
A vulnerability in the Linux kernel's bnxt_en driver related to End of frame padding (EOP) on the AGG ring could cause data corruption. Specifically, zero padding at the end of one segment may overlap with the next segment's data if Relaxed Ordering (RO) is enabled, leading to potential overwriting of valid data. This issue affects older chips (P5 and earlier) that do not automatically disable RO when EOP is enabled. The vulnerability has been resolved by disabling EOP on all chips when TPA is enabled to prevent data corruption.
AI Analysis
Technical Summary
The Linux kernel bnxt_en driver had a vulnerability where EOP on the AGG ring caused overlapping zero padding with the next segment's data. When Relaxed Ordering (RO) is enabled, this zero padding could overwrite valid data, causing corruption. Older chips (P5 and earlier) do not disable RO automatically when EOP is enabled, leading to this issue. ARM systems with 57508 (P5) chips reported data corruption with RO enabled. The fix disables EOP on all chips on the AGG rings when TPA is enabled, preventing the data corruption.
Potential Impact
Data corruption may occur due to overlapping zero padding overwriting valid data in network segments, potentially affecting data integrity on affected systems using older chips with Relaxed Ordering enabled.
Mitigation Recommendations
The vulnerability has been resolved by disabling EOP on all chips on the AGG rings when TPA is enabled. Users should update their Linux kernel to a version that includes this fix. Patch status is not explicitly confirmed in the provided data; check the vendor advisory for current remediation guidance.
In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Disable EOP for TPA on all chips to prevent data corruption EOP (End of… (CVE-2026-74697)
Description
A vulnerability in the Linux kernel's bnxt_en driver related to End of frame padding (EOP) on the AGG ring could cause data corruption. Specifically, zero padding at the end of one segment may overlap with the next segment's data if Relaxed Ordering (RO) is enabled, leading to potential overwriting of valid data. This issue affects older chips (P5 and earlier) that do not automatically disable RO when EOP is enabled. The vulnerability has been resolved by disabling EOP on all chips when TPA is enabled to prevent data corruption.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Linux kernel bnxt_en driver had a vulnerability where EOP on the AGG ring caused overlapping zero padding with the next segment's data. When Relaxed Ordering (RO) is enabled, this zero padding could overwrite valid data, causing corruption. Older chips (P5 and earlier) do not disable RO automatically when EOP is enabled, leading to this issue. ARM systems with 57508 (P5) chips reported data corruption with RO enabled. The fix disables EOP on all chips on the AGG rings when TPA is enabled, preventing the data corruption.
Potential Impact
Data corruption may occur due to overlapping zero padding overwriting valid data in network segments, potentially affecting data integrity on affected systems using older chips with Relaxed Ordering enabled.
Mitigation Recommendations
The vulnerability has been resolved by disabling EOP on all chips on the AGG rings when TPA is enabled. Users should update their Linux kernel to a version that includes this fix. Patch status is not explicitly confirmed in the provided data; check the vendor advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-fmvg-rgc2-qx29
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-74697"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a8a27f1acd9273b499bc75e
Added to database: 08/22/2026, 22:51:29 UTC
Last enriched: 08/23/2026, 00:24:52 UTC
Last updated: 08/23/2026, 01:52:08 UTC
Views: 2
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