tty: vcc: zero-initialize control packet in vcc_send_ctl()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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, 6.12.113, 6.18.56, 7.2.10
- 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: tty: vcc: zero-initialize control packet in vcc_send_ctl() The stack-allocated struct vio_vcc pkt was partially initialized, leaving the tag.stype_env field uninitialized before being sent via ldc_write(), potentially leaking kernel stack data to the LDC peer.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From 8868e44a56160328cd4003d95f4083f64b136e33 · fixed in 4b59afc8af3143ae03e4f9b81ca66aa5a1c1ebed; From 8868e44a56160328cd4003d95f4083f64b136e33 · fixed in 6f1a08ef02825b440126c406ea63ef6128888e15; From 8868e44a56160328cd4003d95f4083f64b136e33 · fixed in 4335278d0e75395cbfaf71c84b521df56d69e936; From 8868e44a56160328cd4003d95f4083f64b136e33 · fixed in 399aa38af1d78001612e3130b2056ea392a355ca; From 8868e44a56160328cd4003d95f4083f64b136e33 · fixed in 1f71f565e3585da1098ff19ca3c24687dab59185
- Linux Linux
4.14
- KernelLinux
fixed in 6.6.160; From 6.7.0 · fixed in 6.12.113; From 6.13.0 · fixed in 6.18.56; From 6.19.0 · fixed in 7.2.10