8633 matches found
Linux Distros Unpatched Vulnerability : CVE-2026-64136
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 cifs: Fix locking usage for tcon fields refactored cifs code to change...
Important: kernel
Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31402 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Lin...
CVE-2026-64136
In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...
CVE-2026-63909
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...
CVE-2026-64142 ksmbd: close durable scavenger races against m_fp_list lookups
In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...
CVE-2026-64141
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in compareguidkey sessionfdcheck walks the per-inode moplist during durable-handle session teardown and sets op-conn = NULL for every opinfo whose conn matched the closing session's connection...
CVE-2026-64139
In the Linux kernel ksmbd subsystem, commit 299f962c0b02 added check_add_overflow() guards that issue break statements in set_posix_acl_entries_dacl(), bypassing kfree(sid) calls and leaking struct smb_sid allocations per loop iteration. A crafted file with many POSIX ACL entries triggers repeate...
CVE-2026-64139 ksmbd: fix SID memory leak in set_posix_acl_entries_dacl() on overflow
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix SID memory leak in setposixaclentriesdacl on overflow Commit 299f962c0b02 "ksmbd: use checkaddoverflow to prevent u16 DACL size overflow" added checkaddoverflow guards that break out of the ACE-building loops in...
CVE-2026-64138
CVE-2026-64138 affects the ksmbd component in the Linux kernel, addressing a vulnerability in ACL inheritance where the Owner/Group SIDs from the NT Security Descriptor could be unsafe when retrieved from a parent directory. The fix introduces the helper smb_validate_ntsd_sid() to safely validate...
CVE-2026-64136
In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...
CVE-2026-64136
In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...
CVE-2026-64136 smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked()
In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tccount increment in smb2findsmbsesstconunlocked Commit 96c4af418586 "cifs: Fix locking usage for tcon fields" refactored cifs code to change cifstcpseslock for tclock around tccount changes. There was missin...
EUVD-2026-45820
In the Linux kernel, the following vulnerability has been resolved: hwmon: pmbus/adm1266 widen blackbox-info buffer to I2CSMBUSBLOCKMAX adm1266nvmemreadblackbox declares a 5-byte stack buffer and passes it to i2csmbusreadblockdata to retrieve the 4-byte BLACKBOXINFO response. i2csmbusreadblockdat...
EUVD-2026-45682
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...
CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...
CVE-2026-63909 ksmbd: OOB read regression in smb_check_perm_dacl() ACE-walk loops
In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smbcheckpermdacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smbcheckpermdacl" introduced a transposed bounds check: if offsetofstruct smbace, sid + acessize size offset 2...
CVE-2026-53390
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds read in smbcheckpermdacl The permission-check ACE walk in smbcheckpermdacl validates the ACE header size and caps sid.numsubauth at SIDMAXSUBAUTHORITIES, but it never checks that ace-size is actually larg...
CVE-2026-53383
In the Linux kernel, the following vulnerability has been resolved: ksmbd: reject non-VALID session in compound request branch smb2checkusersession takes a shortcut for any operation that is not the first in a COMPOUND request: it reuses work-sess the session bound by the first operation and...
CVE-2026-53390 ksmbd: fix out-of-bounds read in smb_check_perm_dacl()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds read in smbcheckpermdacl The permission-check ACE walk in smbcheckpermdacl validates the ACE header size and caps sid.numsubauth at SIDMAXSUBAUTHORITIES, but it never checks that ace-size is actually larg...
EUVD-2026-45512
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds read in smbcheckpermdacl The permission-check ACE walk in smbcheckpermdacl validates the ACE header size and caps sid.numsubauth at SIDMAXSUBAUTHORITIES, but it never checks that ace-size is actually larg...