CVE-2022-49794

Summary

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

iio: adc: at91_adc: fix possible memory leak in at91_adc_allocate_trigger()

If iio_trigger_register() returns error, it should call iio_trigger_free() to give up the reference that hold in iio_trigger_alloc(), so that it can call iio_trig_release() to free memory when the refcount hit to 0.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < c3ce73f60599a483dca7becd4112508833a40ef9affected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < a0d98ae5a62a7bbad8fcf9fa22e0a1274197bbc4affected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < 2b29a7f2d52fb5281b30cf61c947d88bab18a29baffected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < 7b75515728b628a9a7540f201efdeb8ca7299385affected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < 85d2a8b287a89853c0dcfc5a97b5e9d36376fe37affected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < 1bf8c0aff8fb5c4edf3ba6728e6bedbd610d7f4baffected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < c27a3b6ba23350708cf5ab9962337447b51eb76daffected
LinuxLinux0e589d5fb3172b0dde7fdad3a4829ce5352dd30d < 65f20301607d07ee279b0804d11a05a62a6c1a1caffected
LinuxLinux3.5affected
LinuxLinux0 < 3.5unaffected
LinuxLinux4.9.334 <= 4.9.*unaffected
LinuxLinux4.14.300 <= 4.14.*unaffected
LinuxLinux4.19.267 <= 4.19.*unaffected
LinuxLinux5.4.225 <= 5.4.*unaffected
LinuxLinux5.10.156 <= 5.10.*unaffected
LinuxLinux5.15.80 <= 5.15.*unaffected
LinuxLinux6.0.10 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References