CVE-2019-19080 — Four memory leaks in the nfp_flower_spawn_phy_reprs() function in drivers/net/et

Four memory leaks in the nfp_flower_spawn_phy_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allow attackers to cause a denial of service (memory consumption), aka CID-8572cea1461a.

01What is this vulnerability?

Four memory leaks in the nfp_flower_spawn_phy_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allow attackers to cause a denial of service (memory consumption), aka CID-8572cea1461a.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-11-18T06:15:13.687
• Last modified: 2026-10-08T21:17:18.180

09References

• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
• github.com — https://github.com/torvalds/linux/commit/8572cea1461a006bce1d06c0c4b0575869125fa…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20191205-0001/
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
• cdn.kernel.org — https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
• github.com — https://github.com/torvalds/linux/commit/8572cea1461a006bce1d06c0c4b0575869125fa…
• security.netapp.com — https://security.netapp.com/advisory/ntap-20191205-0001/