CVE-2023-53676

Summary

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

scsi: target: iscsi: Fix buffer overflow in lio_target_nacl_info_show()

The function lio_target_nacl_info_show() uses sprintf() in a loop to print details for every iSCSI connection in a session without checking for the buffer length. With enough iSCSI connections it's possible to overflow the buffer provided by configfs and corrupt the memory.

This patch replaces sprintf() with sysfs_emit_at() that checks for buffer boundries.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < df349e84c2cb0dd05d98c8e1189c26ab4b116083affected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 114b44dddea1f8f99576de3c0e6e9059012002fcaffected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 2cbe6a88fbdd6e8aeab358eef61472e2de43d6f6affected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < bbe3ff47bf09db8956bc2eeb49d2d514d256ad2aaffected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 5353df78c22623b42a71d51226d228a8413097e2affected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 4738bf8b2d3635c2944b81b2a84d97b8c8b0978daffected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 0cac6cbb9908309352a5d30c1876882771d3da50affected
LinuxLinuxe48354ce078c079996f89d715dfa44814b4eba01 < 801f287c93ff95582b0a2d2163f12870a2f076d4affected
LinuxLinux3.1affected
LinuxLinux0 < 3.1unaffected
LinuxLinux4.14.326 <= 4.14.*unaffected
LinuxLinux4.19.295 <= 4.19.*unaffected
LinuxLinux5.4.257 <= 5.4.*unaffected
LinuxLinux5.10.197 <= 5.10.*unaffected
LinuxLinux5.15.133 <= 5.15.*unaffected
LinuxLinux6.1.55 <= 6.1.*unaffected
LinuxLinux6.5.5 <= 6.5.*unaffected
LinuxLinux6.6 <= *unaffected

Weaknesses

References