ring-buffer: Hold cpu_buffer::lock when resizing a subbuf
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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 6.12.109, 6.18.50, 7.2.4
- 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: ring-buffer: Hold cpu_buffer::lock when resizing a subbuf Because, ring_buffer_subbuf_order_set() can clear cpu_buffer->free_page, hold cpu_buffer->lock to prevent races with ring_buffer_alloc_read_page() and ring_buffer_free_read_page().
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 8e7b58c27b3c567316a51079b375b846f9223bba · fixed in 8a496aaa3da6e8d545896c2370c7e617cc931ae2; From 8e7b58c27b3c567316a51079b375b846f9223bba · fixed in 6fcb0b745a0b80df62eae4a93ce52a2d061f4ac2; From 8e7b58c27b3c567316a51079b375b846f9223bba · fixed in bf242baf58de03467f226c8e29554c9495dca7fc; From 8e7b58c27b3c567316a51079b375b846f9223bba · fixed in 24974bd0da1b47fd56c975533ead50abf754e74d
- Linux Linux
6.8
- KernelLinux
From 6.8.0 · fixed in 6.12.109; From 6.13.0 · fixed in 6.18.50; From 6.19.0 · fixed in 7.2.4