What’s Vulnerable › Vulnerabilities

CVE-2026-43387: staging: rtl8723bs: properly validate the data in rtw_get_ie_ex()

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-08 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: properly validate the data in rtw_get_ie_ex() Just like in commit 154828bf9559 ("staging: rtl8723bs: fix out-of-bounds read in rtw_get_ie() parser"), we don't trust the data in the frame so we should check the length better before acting on it

Affected products

• Linux kernel: from 4.12 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.78; from 6.13 before 6.18.19 — fixed in 5.10.253, 5.15.203, 6.1.167, 6.12.78, 6.18.19, 6.19.9

How to fix

Upgrade to a fixed version: Linux kernel 5.10.253, 5.15.203, 6.1.167, 6.12.78. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/35969c3a208a07cb8642301df5869c34e2db7071
• https://git.kernel.org/stable/c/6d62fa548387e159a21ea95132c09bfc96d336ed
• https://git.kernel.org/stable/c/740bca8bbdb707c0e4bb11e3316deb2f04fc7ce1
• https://git.kernel.org/stable/c/8097a48c606a9306281ea7bd73bf2afc97553733
• https://git.kernel.org/stable/c/821f7d759fb2de33c5e5b0c4981181c4d0c3e9b1
• https://git.kernel.org/stable/c/9a4cd4c37593cc8b8d28f9a6732b490a8032006a
• https://git.kernel.org/stable/c/ac38856092b4c994f94343251b30520bdeb7f475
• https://git.kernel.org/stable/c/f0109b9d3e1e455429279d602f6276e34689750a

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