Description
In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb() In dib7090p_rw_on_apb, 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 issue occurs when access msg[1].buf[0] and msg[1].buf[1]. Similar commit: commit 0ed554fd769a ("media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()")
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
713d54a8bd812229410a1902cd9b332a2a27af9f to < bc07cae4f36bb18d5b6a9ed835c1278ca44ec82eaffected713d54a8bd812229410a1902cd9b332a2a27af9f to < ce8b7c711b9c4f040b5419729d0972db8e374324affected713d54a8bd812229410a1902cd9b332a2a27af9f to < 529fd5593b721e6f4370c591f5086649ed149ff6affected713d54a8bd812229410a1902cd9b332a2a27af9f to < c33280d6bd668dbdc5a5f07887cc63a52ab4789caffected713d54a8bd812229410a1902cd9b332a2a27af9f to < 09906650484a09b3a4d4b3d3065395856810becdaffected713d54a8bd812229410a1902cd9b332a2a27af9f to < 0bb32863426afe0badac25c28d59021f211d0f48affected713d54a8bd812229410a1902cd9b332a2a27af9f to < a0f744d6cdde81d7382e183f77a4080a39b206cdaffected713d54a8bd812229410a1902cd9b332a2a27af9f to < 19eb5d8e6aa1169d368a4d69aae5572950deb89daffected713d54a8bd812229410a1902cd9b332a2a27af9f to < ce5cac69b2edac3e3246fee03e8f4c2a1075238baffected
Linux Linux
Default version status: affected
2.6.39affected0 to < 2.6.39unaffected5.4.297 to ≤ 5.4.*unaffected5.10.241 to ≤ 5.10.*unaffected5.15.190 to ≤ 5.15.*unaffected6.1.149 to ≤ 6.1.*unaffected6.6.103 to ≤ 6.6.*unaffected6.12.43 to ≤ 6.12.*unaffected6.15.11 to ≤ 6.15.*unaffected6.16.2 to ≤ 6.16.*unaffected6.17 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e ↗
- https://git.kernel.org/stable/c/ce8b7c711b9c4f040b5419729d0972db8e374324 ↗
- https://git.kernel.org/stable/c/529fd5593b721e6f4370c591f5086649ed149ff6 ↗
- https://git.kernel.org/stable/c/c33280d6bd668dbdc5a5f07887cc63a52ab4789c ↗
- https://git.kernel.org/stable/c/09906650484a09b3a4d4b3d3065395856810becd ↗
- https://git.kernel.org/stable/c/0bb32863426afe0badac25c28d59021f211d0f48 ↗
- https://git.kernel.org/stable/c/a0f744d6cdde81d7382e183f77a4080a39b206cd ↗
- https://git.kernel.org/stable/c/19eb5d8e6aa1169d368a4d69aae5572950deb89d ↗
- https://git.kernel.org/stable/c/ce5cac69b2edac3e3246fee03e8f4c2a1075238b ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html ↗
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html ↗
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html ↗