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CVE Record

CVE-2019-25045: An issue was discovered in the Linux kernel before 5.0.19.

An issue was discovered in the Linux kernel before 5.0.19. The XFRM subsystem has a use-after-free, related to an xfrm_state_fini panic, aka CID-dbb2483b2a46.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2019-25045 is a Linux kernel memory safety bug in the XFRM subsystem, used for IPsec-related packet transformation. The source bundle describes a use-after-free that can lead to an xfrm_state_fini panic. Business urgency depends on whether systems run kernels older than 5.0.19 or vendor kernels missing the upstream fix.

Executive priority

Treat this as a targeted kernel hygiene issue, not an emergency based on current evidence. Prioritize remediation where older Linux kernels support VPN, IPsec, or network security functions, and where appliances depend on vendor kernel backports.

Technical view

The CVE describes a use-after-free in Linux kernel XFRM before 5.0.19, associated with xfrm_state_fini and upstream commit dbb2483b2a46. Available sources indicate kernel-level memory misuse and panic behavior, but provide no CVSS, CWE, attack vector, privileges required, or complete affected downstream product matrix.

Likely exposure

Most likely exposure is Linux servers, appliances, or embedded platforms using kernels before 5.0.19 or vendor kernels without the referenced backport. NetApp published an advisory, indicating downstream vendor relevance, but this bundle does not enumerate affected NetApp products or versions.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation evidence. Public references include syzkaller and SyzScope materials, suggesting the issue was publicly analyzed through kernel fuzzing/research. The provided sources do not establish a weaponized exploit, remote reachability, or reliable impact beyond kernel panic/memory safety risk.

Researcher notes

Evidence is incomplete for scoring and exploitation. The strongest source claims are Linux before 5.0.19, XFRM use-after-free, xfrm_state_fini panic, and upstream commit linkage. Avoid assuming remote exploitability or privilege requirements without vendor or kernel maintainer confirmation.

Mitigation direction

  • Identify Linux kernel versions across servers, appliances, and container hosts.
  • Upgrade to kernel 5.0.19 or a vendor-supported release containing the referenced fix.
  • Check vendor advisories for backported fixes in supported kernel branches.
  • Prioritize systems using IPsec, VPN, or XFRM-related networking features.
  • Track NetApp advisory guidance for any owned NetApp platforms.

Validation and detection

  • Confirm running kernel versions and vendor patch levels.
  • Verify whether upstream commit dbb2483b2a46 is present or backported.
  • Review vendor security advisories for affected product and fixed release details.
  • Check crash logs for xfrm_state_fini panic signatures.
  • Document any unsupported or end-of-life kernels still in service.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2019-25045 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
6Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.