CVE-2022-49114

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: scsi: libfc: Fix use after free in fc_exch_abts_resp() fc_exch_release(ep) will decrease the ep's reference count. When the reference count reaches zero, it is freed. But ep is still used in the following code, which will lead to a use after free. Return after the fc_exch_release() call to avoid use after free.

Affected product and versions

Product

Linux Linux, linux kernel

Affected versions

>= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 4a131d4ea8b581ac9b01d3a72754db4848be3232, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 499d198494e77b6533251b9b909baf5c101129cb, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 6044ad64f41c87382cfeeca281573d1886d80cbe, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 5cf2ce8967b0d98c8cfa4dc42ef4fcf080f5c836, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 1d7effe5fff9d28e45e18ac3a564067c7ddfe898, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < f581df412bc45c95176e3c808ee2839c05b2ab0c, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 87909291762d08fdb60d19069d7a89b5b308d0ef, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 412dd8299b02e4410fe77b8396953c1a8dde183a, >= 42e9a92fe6a9095bd68a379aaec7ad2be0337f7a < 271add11994ba1a334859069367e04d2be2ebdd4, >= 2.6.29, < 4.9.311, >= 4.10 < 4.14.276, >= 4.15 < 4.19.238, >= 4.20 < 5.4.189, >= 5.5 < 5.10.111, >= 5.11 < 5.15.34, >= 5.16 < 5.16.20, >= 5.17 < 5.17.3

Fixed versions

4.9.311, 4.14.276, 4.19.238, 5.4.189, 5.10.111, 5.15.34, 5.16.20, 5.17.3

Technical data

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-416