CVE-2025-38693

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()")

Affected Software

VendorProductVersion RangeStatus
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 7a41ecfc3415ebe3b4c44f96b3337691dcf431a3affected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < b3d77a3fc71c084575d3df4ec6544b3fb6ce587daffected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 17b30e5ded062bd74f8ca6f317e1d415a8680665affected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 454a443eaa792c8865c861a282fe6d4f596abc3aaffected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 6bbaec6a036940e22318f0454b50b8000845ab59affected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < f98132a59ccc59a8b97987363bc99c8968934756affected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 99690a494d91a0dc86cebd628da4c62c40552bcbaffected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < 39b06b93f24dff923c4183d564ed28c039150554affected
LinuxLinux713d54a8bd812229410a1902cd9b332a2a27af9f < ed0234c8458b3149f15e496b48a1c9874dd24a1baffected
LinuxLinux2.6.39affected
LinuxLinux0 < 2.6.39unaffected
LinuxLinux5.4.297 <= 5.4.*unaffected
LinuxLinux5.10.241 <= 5.10.*unaffected
LinuxLinux5.15.190 <= 5.15.*unaffected
LinuxLinux6.1.149 <= 6.1.*unaffected
LinuxLinux6.6.103 <= 6.6.*unaffected
LinuxLinux6.12.43 <= 6.12.*unaffected
LinuxLinux6.15.11 <= 6.15.*unaffected
LinuxLinux6.16.2 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

Additional References

References