Security readout for executives and security teams
Plain-English summary
A Linux kernel BPF protection routine failed to check whether memory was successfully made read-only. If that operation failed, program memory could remain unprotected. The CVSS assessment describes a local, low-privilege attack requiring no user interaction, with potentially high confidentiality, integrity, and availability impact.
Executive priority
Treat this as a high-priority kernel update within the normal high-severity patch window. Prioritize systems permitting local accounts or less-trusted workloads. The potential impact is substantial, but the supplied evidence does not justify an active-exploitation emergency designation.
Technical view
bpf_prog_lock_ro() did not account for set_memory_ro() failure. The correction checks its return and treats failure as an error, preventing silent continuation with unprotected memory. CVSS v3.1 is 7.8: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. No CWE is supplied.
Likely exposure
Exposure is limited to systems running affected Linux kernels where the vulnerable BPF path is reachable. The bundle lists several version values, including 3.18, 5.15.162, 6.1.97, 6.9.8, and 6.10, but does not clearly preserve their range relationships. Confirm status through distribution package mappings.
Exploitation context
The supplied bundle marks KEV false and provides no evidence of active exploitation or a public exploit. The CVSS vector indicates a local attacker with low privileges, low attack complexity, and no user interaction. Configuration-specific prerequisites are not documented in the supplied sources.
Researcher notes
The defect concerns unchecked failure while applying read-only protection to BPF program memory. Upstream stable commits document the correction, but the supplied data does not establish exploitation mechanics, affected configuration requirements, or complete version-range semantics. Distribution backports may make kernel version strings alone insufficient for determining vulnerability.
Mitigation direction
- Upgrade to a vendor kernel release containing the applicable stable fix for CVE-2024-42068.
- Consult Linux distribution guidance to map packaged kernels to the referenced upstream fixes.
- If updates are unavailable, seek vendor guidance; the sources provide no alternative workaround.
- Reboot affected systems into the updated kernel according to normal change-control procedures.
Validation and detection
- Inventory installed and actively running kernel versions across Linux systems.
- Compare distribution package revisions with vendor advisories and the referenced stable commits.
- Confirm systems are running the updated kernel after maintenance or reboot.
- Record unresolved systems where version-range or backport status cannot be established.
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.
CVE-2024-42068 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9LinuxVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/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/a359696856ca9409fb97655c5a8ef0f549cb6e03CVE reference, Linux
- https://git.kernel.org/stable/c/e4f602e3ff749ba770bf8ff10196e18358de6720CVE reference, Linux
- https://git.kernel.org/stable/c/05412471beba313ecded95aa17b25fe84bb2551aCVE reference, Linux
- https://git.kernel.org/stable/c/7d2cc63eca0c993c99d18893214abf8f85d566d8CVE reference, Linux
- https://git.kernel.org/stable/c/fdd411af8178edc6b7bf260f8fa4fba1bedd0a6dCVE reference, CVE · x_transferred
- https://git.kernel.org/stable/c/e3540e5a7054d6daaf9a1415a48aacb092112a89CVE reference, CVE · x_transferred
- 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.