bpf: Disable preemption in bpf_get_stackid
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.6.160, 6.12.111, 6.18.51, 7.2.5
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpf_get_stackid The get_perf_callchain call needs disabled preemption plus we need it disabled as long as we access its returned trace entries buffer. Note the bpf_get_stackid_pe function is executed already with preemption disabled.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From d5a3b1f691865be576c2bffa708549b8cdccda19 · fixed in e79a70c2e97ae36bbdd371f0ce88a525f7b49f01; From d5a3b1f691865be576c2bffa708549b8cdccda19 · fixed in 18c71e4b65ee60b8611fc071bdd7159f10185117; From d5a3b1f691865be576c2bffa708549b8cdccda19 · fixed in ccf481d73bce6e851cec364fe831c86fe66877cf; From d5a3b1f691865be576c2bffa708549b8cdccda19 · fixed in c4efdc1d4cb3e9183e41a1b2a5e0901dbbb31cdf; From d5a3b1f691865be576c2bffa708549b8cdccda19 · fixed in 15f1bd8574662f1b7b26aaa2e23ebf4066f0117d
- Linux Linux
4.6
- KernelLinux
From 4.6.0 · fixed in 6.6.160; From 6.7.0 · fixed in 6.12.111; From 6.13.0 · fixed in 6.18.51; From 6.19.0 · fixed in 7.2.5