CVE-2023-52915

Advisory lineage Upstream: 0 Downstream: 14
Analyzed
Published: 06 Sept 2024, 09:07
Last modified:11 May 2026, 19:35

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

06 Sept 2024, 09:07
Published
Vulnerability first disclosed
11 May 2026, 19:35
Last Modified
Vulnerability information updated

Description

In the Linux kernel, the following vulnerability has been resolved: media: dvb-usb-v2: af9035: Fix null-ptr-deref in af9035_i2c_master_xfer In af9035_i2c_master_xfer, msg is controlled by user. When msg[i].buf is null and msg[i].len is zero, former checks on msg[i].buf would be passed. Malicious data finally reach af9035_i2c_master_xfer. If accessing msg[i].buf[0] without sanity check, null ptr deref would happen. We add check on msg[i].len to prevent crash. Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 2%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linux•linux

    ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < b2f54ed7739dfdf42c4df0a11131aad7c8635464 | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < fa58d9db5cad4bb7bb694b6837e3b96d87554f2b | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < b49c6e5dd236787f13a062ec528d724169f11152 | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < 6c01ef65de0b321b2db1ef9abf8f1d15862b937e | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < d9ef84a7c222497ecb5fdf93361c76931804825e | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < 0143f282b15f7cedc0392ea10050fb6000fd16e6 | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < 41b7181a40af84448a2b144fb02d8bf32b7e9a23 | ≥ 7f882c2e353ca58695e9b4fcc9e97a9d4cbcf273, < 7bf744f2de0a848fb1d717f5831b03db96feae89 | 3.5

  • linux•linux_kernel

    < 4.14.326 | ≥ 4.15, < 4.19.295 | ≥ 4.20, < 5.4.257 | ≥ 5.5, < 5.10.197 | ≥ 5.11, < 5.15.133 | ≥ 5.16, < 6.1.55 | ≥ 6.2, < 6.5.5

References (8)