CVE-2022-50814

Summary

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

crypto: hisilicon/zip - fix mismatch in get/set sgl_sge_nr

KASAN reported this Bug:

[17619.659757] BUG: KASAN: global-out-of-bounds in param_get_int+0x34/0x60
[17619.673193] Read of size 4 at addr fffff01332d7ed00 by task read_all/1507958
...
[17619.698934] The buggy address belongs to the variable:
[17619.708371]  sgl_sge_nr+0x0/0xffffffffffffa300 [hisi_zip]

There is a mismatch in hisi_zip when get/set the variable sgl_sge_nr. The type of sgl_sge_nr is u16, and get/set sgl_sge_nr by param_get/set_int.

Replacing param_get/set_int to param_get/set_ushort can fix this bug.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxf081fda293ffba54216a7dab66faba7275475006 < d88b88514ef28515ccfa1f1787c2aedef75a79ddaffected
LinuxLinuxf081fda293ffba54216a7dab66faba7275475006 < 272093471305261c4e07a2fc97c2d1e53cd56819affected
LinuxLinuxf081fda293ffba54216a7dab66faba7275475006 < f8a983d6e01b198320d310cb1326364d7d973b2aaffected
LinuxLinuxf081fda293ffba54216a7dab66faba7275475006 < 5eaebd19fbb0e26e73a34f55d3b1dc310df0eb15affected
LinuxLinuxf081fda293ffba54216a7dab66faba7275475006 < d74f9340097a881869c4c22ca376654cc2516eccaffected
LinuxLinux5.5affected
LinuxLinux0 < 5.5unaffected
LinuxLinux5.10.150 <= 5.10.*unaffected
LinuxLinux5.15.75 <= 5.15.*unaffected
LinuxLinux5.19.17 <= 5.19.*unaffected
LinuxLinux6.0.3 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References