CVE-2026-72241

Summary

In the Linux kernel, the following vulnerability has been resolved:

leds: uleds: Fix potential buffer overread

The name string supplied by userspace is not guaranteed to be null-terminated, so using strchr() on it might result in a buffer overread. The same thing will happen when said string is used by the LED class device.

Fix this by using strnchr() instead and explicitly check that the name string is properly null-terminated.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < a84c59121dfdc7b324f72dc5012aa8fe5e7d2d7baffected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < 5bb89e23729f3a59592d699a437bb001f24b8f67affected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < 5ad6f6c9209e5777b896def9876708853ae26d0daffected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < 8bf529571cca60fb8af65d6d034bdbbc99a9127caffected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < a91ac9fdac7385cbc98aeae55b4e5302125497a2affected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < 6dd51d84a9502553e58beade72823258871b8111affected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < 263ccdd627caeda6e980ed3c6e32bb4fd6b380b1affected
LinuxLinuxe381322b0190c1253d347de3f28b5c37756fb651 < c19fe864f667afc49d1391d764e20b66555bcf7aaffected
LinuxLinux4.10affected
LinuxLinux0 < 4.10unaffected
LinuxLinux5.10.261 <= 5.10.*unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References