Skip to main content
← All vulnerabilities
CVE-2023-53794

cifs: fix session state check in reconnect to avoid use-after-free issue

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 3.11, 3.13, 3.15, 3.17, 3.19, and 5 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: total

Summary

In the Linux kernel, the following vulnerability has been resolved: cifs: fix session state check in reconnect to avoid use-after-free issue Don't collect exiting session in smb2_reconnect_server(), because it will be released soon. Note that the exiting session will stay in server->smb_ses_list until it complete the cifs_free_ipc() and logoff() and then delete itself from the list.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: total

  3. Record last updated

Affected versions

  • Linux Linux

    From 4fcd1813e6404dd4420c7d12fb483f9320f0bf93 · fixed in 7e4f5c3f01fb0e51ca438e43262d858daf9a0a76; From 4fcd1813e6404dd4420c7d12fb483f9320f0bf93 · fixed in 759ffc164d95a32c09528766d74d9b4fb054e8f4; From 4fcd1813e6404dd4420c7d12fb483f9320f0bf93 · fixed in 99f280700b4cc02d5f141b8d15f8e9fad0418f65; From 3.10.103 · fixed in 3.11; From 3.12.63 · fixed in 3.13; From 3.14.74 · fixed in 3.15; From 3.16.37 · fixed in 3.17; From 3.18.37 · fixed in 3.19; From 4.1.28 · fixed in 4.2; From 4.4.16 · fixed in 4.5; From 4.6.5 · fixed in 4.7

  • Linux Linux

    4.7

  • KernelLinux

    From 4.7.0 · fixed in 6.1.47; From 6.2.0 · fixed in 6.4.12

References 3

git.kernel.org