CVE-2026-98755tty: vcc: zero-initialize control packet in vcc_send_ctl()
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- Not yet scored
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Received
- Record last updated
- Oct 19, 2026
- First seen by InfoSec Signals
- Oct 18, 2026
Affected products
Linux Linux linux:linux (from the name) | from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 6f1a08ef02825b440126c406ea63ef6128888e15; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 4335278d0e75395cbfaf71c84b521df56d69e936; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 399aa38af1d78001612e3130b2056ea392a355ca; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 1f71f565e3585da1098ff19ca3c24687dab59185; before 6.12.113; before 6.18.56; before 7.2.10 | CNA record |
References
- https://git.kernel.org/stable/c/6f1a08ef02825b440126c406ea63ef6128888e15
- https://git.kernel.org/stable/c/4335278d0e75395cbfaf71c84b521df56d69e936
- https://git.kernel.org/stable/c/399aa38af1d78001612e3130b2056ea392a355ca
- https://git.kernel.org/stable/c/1f71f565e3585da1098ff19ca3c24687dab59185
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.