Security readout for executives and security teams
Plain-English summary
CVE-2024-27419 is a Linux kernel issue in the NET/ROM networking code. A shared sysctl value could be read while another path changes it. The source bundle does not state impact, attack requirements, or business consequences, so treat this as a kernel maintenance risk rather than an emergency without more vendor context.
Executive priority
Handle through normal kernel patch governance unless a vendor advisory for your environment raises severity. Absence of known exploitation lowers urgency, but kernel concurrency bugs still deserve timely remediation on exposed or regulated systems.
Technical view
The fix protects reads of sysctl_net_busy_read in Linux netrom because the value can change concurrently. The CVE lists affected Linux kernel versions and multiple stable kernel commits. No CVSS, CWE, exploitability details, privilege requirements, or concrete failure mode are provided in the bundle.
Likely exposure
Exposure applies to systems running affected Linux kernels. Practical relevance appears tied to the NET/ROM subsystem, but the bundle does not define required configuration, module state, or whether remote attackers can trigger the race.
Exploitation context
The bundle marks KEV as false and provides no cited evidence of active exploitation. It also does not provide exploit maturity, public proof-of-concept status, or a weaponized attack path.
Researcher notes
Evidence is limited to the CVE description, stable commits, and vendor advisories. The bundle supports a data-race conclusion, but not impact classification, exploitability, attack vector, or affected configurations beyond listed Linux kernel versions.
Mitigation direction
- Update affected Linux kernels using vendor-supported packages or stable kernel releases containing the referenced fixes.
- Review Debian LTS advisories if running Debian-based LTS systems.
- Review Siemens SSA-265688 if Siemens products are in scope.
- Follow distribution or appliance vendor guidance for backported kernel fixes.
Validation and detection
- Inventory Linux kernel versions across servers, appliances, containers hosts, and embedded devices.
- Compare installed kernels against vendor advisories and fixed stable kernel commits.
- Check whether NET/ROM support is enabled or present where asset context matters.
- Confirm patched kernel packages are installed and active after maintenance windows.
Public sources used
- CVE Program
- CVE List V5
- Linux stable commit d623fd5298d95b65d27ef5a618ebf39541074856
- Linux stable commit f9055fa2b2931261d5f89948ee5bc315b6a22d4a
- Linux stable commit bbf950a6e96a91cf8cf0c71117b94ed3fafc9dd3
- Linux stable commit 0866afaff19d8460308b022345ed116a12b1d0e1
- Linux stable commit 43464808669ba9d23996f0b6d875450191687caf
- Linux stable commit 34cab94f7473e7b09f5205d4583fb5096cb63b5b
- Linux stable commit 16d71319e29d5825ab53f263b59fdd8dc2d60ad4
- Linux stable commit d380ce70058a4ccddc3e5f5c2063165dc07672c6
- Debian LTS advisory 2024-06 msg00017
- Debian LTS advisory 2024-06 msg00020
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
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2024-27419 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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
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/d623fd5298d95b65d27ef5a618ebf39541074856CVE reference, Linux
- https://git.kernel.org/stable/c/f9055fa2b2931261d5f89948ee5bc315b6a22d4aCVE reference, Linux
- https://git.kernel.org/stable/c/bbf950a6e96a91cf8cf0c71117b94ed3fafc9dd3CVE reference, Linux
- https://git.kernel.org/stable/c/0866afaff19d8460308b022345ed116a12b1d0e1CVE reference, Linux
- https://git.kernel.org/stable/c/43464808669ba9d23996f0b6d875450191687cafCVE reference, Linux
- https://git.kernel.org/stable/c/34cab94f7473e7b09f5205d4583fb5096cb63b5bCVE reference, Linux
- https://git.kernel.org/stable/c/16d71319e29d5825ab53f263b59fdd8dc2d60ad4CVE reference, Linux
- https://git.kernel.org/stable/c/d380ce70058a4ccddc3e5f5c2063165dc07672c6CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlCVE reference, CVE · x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlCVE reference, CVE · x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlCVE reference, siemens-SADP
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.