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CVE-2023-1281

UAF in Linux kernel's tcindex (traffic control index filter) implementation PUBLISHED

Description (CNA)

Use After Free vulnerability in Linux kernel traffic control index filter (tcindex) allows Privilege Escalation. The imperfect hash area can be updated while packets are traversing, which will cause a use-after-free when 'tcf_exts_exec()' is called with the destroyed tcf_ext. A local attacker user can use this vulnerability to elevate its privileges to root. This issue affects Linux Kernel: from 4.14 before git commit ee059170b1f7e94e55fa6cadee544e176a6e59c2.

Affected (CNA)

Vendor / productVersions
Linux / Linux Kernelaffected 4.14.0 before 5.10.169; affected 5.11.0 before 5.15.95; affected 5.16.0 before 6.1.13; unaffected 6.2.0; unaffected ee059170b1f7e94e55fa6cadee544e176a6e59c2

CWE

CWE-416

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.