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VulnerabilityPublished Updated

CVE-2026-97572: Linux kernel · bnxt_en: Propagate RX ring init failures in bnxt_init_nic()

Affects Linux kernelSource CVE Database V5

0

Not known to be exploited · fixed in e40641638743b4b848d5ed78a0565afffc359d8e : update Linux kernel when convenient.

Data as of 26 Oct 2026, 13:47 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · CVSS not yet scored by NVD

EPSS
0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in e40641638743b4b848d5ed78a0565afffc359d8e, dfd73af81cdb9f7b399754a59e2658a08211bee5, daadccd062fdca5e77a8cc22ffe35857803b6c49 +5

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < e40641638743b4b848d5ed78a0565afffc359d8e
Fixed in
  • e40641638743b4b848d5ed78a0565afffc359d8e
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < dfd73af81cdb9f7b399754a59e2658a08211bee5
Fixed in
  • dfd73af81cdb9f7b399754a59e2658a08211bee5
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < daadccd062fdca5e77a8cc22ffe35857803b6c49
Fixed in
  • daadccd062fdca5e77a8cc22ffe35857803b6c49
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < c3eb07e78e628243cbb9bbb0115db802fb7a303f
Fixed in
  • c3eb07e78e628243cbb9bbb0115db802fb7a303f
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < b4c40f2c80d7bf50648878bc206a39adfbfaec6c
Fixed in
  • b4c40f2c80d7bf50648878bc206a39adfbfaec6c
LinuxLinuxAffected
  • ≥ c0c050c58d840994ba842ad1c338a98e7c12b764, < 8e6a850c0746bb4be167aedf1ee57469fcda09a9
Fixed in
  • 8e6a850c0746bb4be167aedf1ee57469fcda09a9

AI-suggested

A fix is available and has been applied in the Linux kernel. Users should update to a kernel version that includes the fix commits identified. No additional mitigation is required beyond applying the official patch.

Description

A vulnerability in the Linux kernel's bnxt_en driver was fixed to properly propagate RX ring initialization failures in the bnxt_init_nic() function. Previously, errors from bnxt_init_rx_rings() were ignored, potentially enabling TPA over partially zeroed RX ring entries, which could cause a zeroed DMA address to be used.

References

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