CVE-2024-49852

Summary

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

scsi: elx: libefc: Fix potential use after free in efc_nport_vport_del()

The kref_put() function will call nport->release if the refcount drops to zero. The nport->release release function is _efc_nport_free() which frees "nport". But then we dereference "nport" on the next line which is a use after free. Re-order these lines to avoid the use after free.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < 16a570f07d870a285b0c0b0d1ca4dff79e8aa5ffaffected
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < abc71e89170ed32ecf0a5a29f31aa711e143e941affected
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < baeb8628ab7f4577740f00e439d3fdf7c876b0ffaffected
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < 7c2908985e4ae0ea1b526b3916de9e5351650908affected
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < 98752fcd076a8cbc978016eae7125b4971be1eecaffected
LinuxLinuxfcd427303eb90aa3cb08e7e0b68e0e67a6d47346 < 2e4b02fad094976763af08fec2c620f4f8edd9aeaffected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.15.168 <= 5.15.*unaffected
LinuxLinux6.1.113 <= 6.1.*unaffected
LinuxLinux6.6.54 <= 6.6.*unaffected
LinuxLinux6.10.13 <= 6.10.*unaffected
LinuxLinux6.11.2 <= 6.11.*unaffected
LinuxLinux6.12 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References