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CVE-2024-35823

vt: fix unicode buffer corruption when deleting characters

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.312, 5.4.274, 5.10.215, 5.15.154, 6.1.84, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: vt: fix unicode buffer corruption when deleting characters This is the same issue that was fixed for the VGA text buffer in commit 39cdb68c64d8 ("vt: fix memory overlapping when deleting chars in the buffer"). The cure is also the same i.e. replace memcpy() with memmove() due to the overlaping buffers.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in fc7dfe3d123f00e720be80b920da287810a1f37d; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in ff7342090c1e8c5a37015c89822a68b275b46f8a; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 1ce408f75ccf1e25b3fddef75cca878b55f2ac90; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 0190d19d7651c08abc187dac3819c61b726e7e3f; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 994a1e583c0c206c8ca7d03334a65b79f4d8bc51; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 7529cbd8b5f6697b369803fe1533612c039cabda; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 2933b1e4757a0a5c689cf48d80b1a2a85f237ff1; From 81732c3b2fede049a692e58a7ceabb6d18ffb18c · fixed in 1581dafaf0d34bc9c428a794a22110d7046d186d

  • Linux Linux

    3.7

  • KernelLinux

    From 3.7.0 · fixed in 4.19.312; From 4.20.0 · fixed in 5.4.274; From 5.5.0 · fixed in 5.10.215; From 5.11.0 · fixed in 5.15.154; From 5.16.0 · fixed in 6.1.84; From 6.2.0 · fixed in 6.6.24; From 6.7.0 · fixed in 6.7.12

References 8

git.kernel.org