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Review reviewHigh

CVE-2024-38381

Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_rx_work syzbot reported the following uninit-value access issue [1] nci_rx_work() parses received packet from ndev->rx_q. It should be validated header size, payload size and total packet size before processing the packet. If an invalid packet is detected, it should be silently discarded.

CVSS
7.1
EPSS
0.38%
30.5% percentile
CISA KEV
Not listed
Published
2024.06.21
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.38%
Technical severityCVSS 7.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: nfc: nci: Fix uninit-value in nci_rx_work syzbot reported the following uninit-value access issue [1] nci_rx_work() parses received packet from ndev->rx_q. It should be validated header size, payload size and total packet size before processing the packet. If an invalid packet is detected, it should be silently discarded.

Affected product and versions

Product
Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family
Affected versions
>= 11387b2effbb55f58dc2111ef4b4b896f2756240 < 406cfac9debd4a6d3dc5d9258ee086372a8c08b6, >= 03fe259649a551d336a7f20919b641ea100e3fff < 485ded868ed62ceb2acb3a459d7843fd71472619, >= 755e53bbc61bc1aff90eafa64c8c2464fd3dfa3c < f80b786ab0550d0020191a59077b2c7e069db2d1, >= ac68d9fa09e410fa3ed20fb721d56aa558695e16 < ad4d196d2008c7f413167f0a693feb4f0439d7fe, >= b51ec7fc9f877ef869c01d3ea6f18f6a64e831a7 < e8c8e0d0d214c877fbad555df5b3ed558cd9b0c3, >= a946ebee45b09294c8b0b0e77410b763c4d2817a < e53a7f8afcbd2886f2a94c5d56757328109730ea, >= d24b03535e5eb82e025219c2f632b485409c898f < 017ff397624930fd7ac7f1761f3c9d6a7100f68c, >= d24b03535e5eb82e025219c2f632b485409c898f < e4a87abf588536d1cdfb128595e6e680af5cf3ed, >= 8948e30de81faee87eeee01ef42a1f6008f5a83a, >= 4.19.312 < 4.19.316, >= 5.4.274 < 5.4.278, >= 5.10.215 < 5.10.219, >= 5.15.154 < 5.15.161, >= 6.1.85 < 6.1.93, >= 6.6.26 < 6.6.33, >= 6.8.5 < 6.9, >= 6.9, < V3.1, >= 6.8.5 < 6.9.4
Fixed versions
4.19.316, 5.4.278, 5.10.219, 5.15.161, 6.1.93, 6.6.33, 6.9.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, RUGGEDCOM RST2428P, SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE
CWE-908