smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()

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CVE-2026-31608

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

CVE-2026-31608

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

CVE-2026-31608

CVE-2026-31608 affects the Linux kernel SMB server. The issue is a double-free in smb_direct_free_sendmsg when invoked after smb_direct_flush_send_list(); smb_direct_flush_send_list() already calls smb_direct_free_sendmsg(), so a second call after post_sendmsg() is incorrect. The fix moves the ca...

CVE-2026-31608 smb: server: avoid double-free in smb_direct_free_sendmsg after smb_direct_flush_send_list()

In the Linux kernel, the following vulnerability has been resolved: smb: server: avoid double-free in smbdirectfreesendmsg after smbdirectflushsendlist smbdirectflushsendlist already calls smbdirectfreesendmsg, so we should not call it again after postsendmsg moved it to the batch list...

PT-2026-34960

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB server component. The function smb direct flush send list already invokes smb direct free sendmsg, leading to a second call to smb direct free sendm...

UBUNTU-CVE-2022-49407

In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plockop" and a followed sendop will append it to a global sendlist data structure. In some cases a followed devread...