CVE-2024-53099

Summary

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

bpf: Check validity of link->type in bpf_link_show_fdinfo()

If a newly-added link type doesn't invoke BPF_LINK_TYPE(), accessing bpf_link_type_strs[link->type] may result in an out-of-bounds access.

To spot such missed invocations early in the future, checking the validity of link->type in bpf_link_show_fdinfo() and emitting a warning when such invocations are missed.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < 79f87a6ec39fb5968049a6775a528bf58b25c20aaffected
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < 24fec234d2ba9ca3c14e545ebe3fd6dcb47f074daffected
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < 4e8074bb33d18f56af30a0252cb3606d27eb1c13affected
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < d5092b0a1aaf35d77ebd8d33384d7930bec5cb5daffected
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < b3eb1b6a9f745d6941b345f0fae014dc8bb06d36affected
LinuxLinux70ed506c3bbcfa846d4636b23051ca79fa4781f7 < 8421d4c8762bd022cb491f2f0f7019ef51b4f0a7affected
LinuxLinux5.7affected
LinuxLinux0 < 5.7unaffected
LinuxLinux5.10.233 <= 5.10.*unaffected
LinuxLinux5.15.176 <= 5.15.*unaffected
LinuxLinux6.1.123 <= 6.1.*unaffected
LinuxLinux6.6.62 <= 6.6.*unaffected
LinuxLinux6.11.9 <= 6.11.*unaffected
LinuxLinux6.12 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References