CVE-2025-38693
media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_tuner_read_serpar
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_tuner_read_serpar In w7090p_tuner_write_serpar, msg is controlled by user. When msg[0].buf is null and msg[0].len is zero, former checks on msg[0].buf would be passed. If accessing msg[0].buf[2] without sanity check, null pointer deref would happen. We add check on msg[0].len to prevent crash. Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.39
References 9
git.kernel.org
- stable/c/7a41ecfc3415ebe3b4c44f96b3337691dcf431a3
- stable/c/b3d77a3fc71c084575d3df4ec6544b3fb6ce587d
- stable/c/17b30e5ded062bd74f8ca6f317e1d415a8680665
- stable/c/454a443eaa792c8865c861a282fe6d4f596abc3a
- stable/c/6bbaec6a036940e22318f0454b50b8000845ab59
- stable/c/f98132a59ccc59a8b97987363bc99c8968934756
- stable/c/99690a494d91a0dc86cebd628da4c62c40552bcb
- stable/c/39b06b93f24dff923c4183d564ed28c039150554
- stable/c/ed0234c8458b3149f15e496b48a1c9874dd24a1b