Security readout for executives and security teams
Plain-English summary
A race in the Linux kernel’s ILA networking path can corrupt an internal destination cache when normal processing is interrupted and re-enters the same code. The supplied record rates potential confidentiality, integrity, and availability impact as critical, but exposure appears dependent on using the affected ILA/lwtunnel functionality.
Executive priority
Treat this as urgent for network-facing or sensitive Linux systems using ILA. Rapidly triage feature usage and vendor patch status; schedule prompt remediation where exposure is confirmed. Systems not using ILA likely warrant lower operational priority, but that conclusion should be validated rather than assumed.
Technical view
ila_output() called dst_cache helpers without disabling bottom halves. A softirq could interrupt process-context execution, re-enter ila_output(), and corrupt dst_cache structures. The upstream correction surrounds the vulnerable operation with local_bh_disable() protection. The bundle lists affected Linux releases from 4.10 through 6.10, with several stable-series versions identified.
Likely exposure
Potential exposure is limited to systems running an affected Linux kernel where ILA lightweight-tunnel networking is available and exercised. Internet reachability alone does not establish exploitability. The bundle does not clearly map every distribution kernel or backport, so administrators must confirm status with their Linux vendor.
Exploitation context
The CVSS 3.1 vector describes network access, low complexity, no privileges, and no user interaction. However, KEV is false, and the supplied sources provide no evidence of active exploitation or a public working exploit. The precise attacker-controlled trigger and reliable security impact are not established in the bundle.
Researcher notes
The flaw is a re-entrancy race involving softirq execution and dst_cache helper requirements. The source bundle establishes the corrective synchronization change but does not document reproducible exploitation, demonstrated privilege gain, or specific corruption outcomes. Version data contains duplicate commit entries and an ambiguous “0” value, reducing precision for exposure mapping.
Mitigation direction
- Install a vendor-supported kernel containing the applicable stable fix.
- Check distribution advisories for backports rather than relying only on upstream version numbers.
- Prioritize systems actively using ILA or lightweight-tunnel networking.
- Where patching is delayed, consider disabling unused ILA functionality after operational review.
Validation and detection
- Inventory Linux kernel versions across servers, appliances, containers, and network hosts.
- Determine whether ILA lightweight-tunnel functionality is enabled and actively configured.
- Confirm vendor packages include an applicable referenced stable-kernel commit or documented backport.
- After updating, verify the running kernel matches the installed fixed package.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2024-41081 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9LinuxVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/7435bd2f84a25aba607030237261b3795ba782daCVE reference, Linux
- https://git.kernel.org/stable/c/96103371091c6476eb07f4c66624bdd1b42f758aCVE reference, Linux
- https://git.kernel.org/stable/c/a0cafb7b0b94d18e4813ee4b712a056f280e7b5aCVE reference, Linux
- https://git.kernel.org/stable/c/feac2391e26b086f73be30e9b1ab215eada8d830CVE reference, Linux
- https://git.kernel.org/stable/c/b4eb25a3d70df925a9fa4e82d17a958a0a228f5fCVE reference, Linux
- https://git.kernel.org/stable/c/522c3336c2025818fa05e9daf0ac35711e55e316CVE reference, Linux
- https://git.kernel.org/stable/c/9f9c79d8e527d867e0875868b14fb76e6011e70cCVE reference, Linux
- https://git.kernel.org/stable/c/cf28ff8e4c02e1ffa850755288ac954b6ff0db8cCVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.htmlCVE reference, CVE
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.