Security readout for executives and security teams
Plain-English summary
CVE-2024-22099 is a Linux kernel Bluetooth RFCOMM flaw that can crash affected systems by triggering a null pointer dereference. The business impact is availability, not data theft, based on the supplied CVSS vector. Treat it as a patch-management issue for Linux and embedded products using affected kernel builds.
Executive priority
Schedule remediation in the normal security patch cycle, with faster handling for critical appliances or services where a crash would disrupt operations. Current evidence supports moderate availability risk, not confirmed active exploitation or data compromise.
Technical view
The issue is reported in net/bluetooth/rfcomm/core.c, specifically rfcomm_check_security, and is classified as CWE-476. The supplied record lists Linux kernel v2.6.12-rc2 as affected, with default status otherwise unaffected. CVSS 3.1 is 6.3: network vector, high attack complexity, low privileges required, no user interaction, high availability impact.
Likely exposure
Exposure is most likely on Linux systems or embedded products that include the affected Bluetooth RFCOMM kernel code and have the relevant Bluetooth modules enabled. The provided affected-version data is narrow and incomplete, so confirm exposure through vendor kernel advisories, distribution security notices, and asset inventory.
Exploitation context
The source bundle does not show CISA KEV listing or other evidence of active exploitation. The CVSS vector indicates exploitation requires low privileges and high attack complexity, with impact limited to availability. Do not assume remote unauthenticated compromise from the supplied evidence.
Researcher notes
The record contains inconsistent wording, including “allows Overflow Buffers” for a CWE-476 null pointer dereference. The affected-version data is unusually narrow, while distribution and Siemens advisories suggest downstream relevance. Validate against original vendor advisories before broad vulnerability assertions.
Mitigation direction
- Apply relevant kernel updates from Linux distribution or device vendor advisories.
- Review Debian, Fedora, Siemens, and platform vendor guidance for affected package versions.
- Where patching is delayed, assess whether Bluetooth/RFCOMM can be disabled or restricted.
- Prioritize externally reachable, operationally critical, and embedded Linux assets first.
Validation and detection
- Inventory Linux kernel versions and vendor package advisories across servers and devices.
- Check whether Bluetooth and RFCOMM kernel modules are present and enabled.
- Confirm Debian, Fedora, or vendor fixes are installed where applicable.
- Monitor system logs for kernel crashes involving Bluetooth RFCOMM paths.
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
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.
CWE-476: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-22099 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
- Medium
- CVSS
- 6.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/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:H/PR:L/UI:N/S:C/C:N/I:N/A:H1.84AnolisVulnerability scoring details
Base CVSS 3.1 score
6.3MediumVector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/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://bugzilla.openanolis.cn/show_bug.cgi?id=7956CVE reference, Anolis
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IVVYSTEVMPYGF6GDSOD44MUXZXAZHOHB/CVE reference, Anolis
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KSXNF4RLEFLH35BFUQGYXRRVHHUIVBAE/CVE reference, Anolis
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlCVE reference, Anolis
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlCVE reference, Anolis
- 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.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.