CVE-2023-53519
media: v4l2-mem2mem: add lock to protect parameter num_rdy
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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: media: v4l2-mem2mem: add lock to protect parameter num_rdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter num_rdy when getting the value with function: v4l2_m2m_num_src_bufs_ready/v4l2_m2m_num_dst_bufs_ready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2_m2m_buf_queue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3: v4l2_m2m_buf_queue+0xd8/0x10c
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.39
References 8
git.kernel.org
- stable/c/690dd4780b3f4d755e4e7883e8c3d1b5052f6bf2
- stable/c/7fc7f87725805197388ba749a1801df33000fa50
- stable/c/ef009fe2010ea2a3a7045ecb72729cf366e0967b
- stable/c/e52de26cb37459b16213438a2c82feb155dd3bbd
- stable/c/1676748aa29099fc0abd71e0fb092e76e835f25c
- stable/c/c71aa5f1cf961264690f2560503ea396b6e3c680
- stable/c/e01ea1c4191ee08440b5f86db98dff695e9cedf9
- stable/c/56b5c3e67b0f9af3f45cf393be048ee8d8a92694