CVE-2026-63818 f2fs: validate orphan inode entry count

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate orphan inode entry count f2fsrecoverorphaninodes trusts the orphan block entrycount when replaying orphan inodes from the checkpoint pack. A corrupted entrycount larger than F2FSORPHANSPERBLOCK makes the recovery...

CVE-2026-63818

CVE-2026-63818 affects the Linux kernel’s f2fs filesystem. The issue arises when f2fs_recover_orphan_inodes() trusts the orphan block entry_count from the checkpoint pack; a corrupted entry_count larger than F2FS_ORPHANS_PER_BLOCK can cause the recovery loop to read past the inode array, leading ...

CVE-2026-63818

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate orphan inode entry count f2fsrecoverorphaninodes trusts the orphan block entrycount when replaying orphan inodes from the checkpoint pack. A corrupted entrycount larger than F2FSORPHANSPERBLOCK makes the recovery...

CVE-2026-63818 f2fs: validate orphan inode entry count

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate orphan inode entry count f2fsrecoverorphaninodes trusts the orphan block entrycount when replaying orphan inodes from the checkpoint pack. A corrupted entrycount larger than F2FSORPHANSPERBLOCK makes the recovery...

CVE-2026-53392

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392

CVE-2026-53392 affects the Linux kernel’s NFSv4/flexfiles path. The flaw arises in ff_layout_alloc_lseg(), which decodes the filehandle-version array count and uses it to allocate with kzalloc_objs(). A zero count can yield ZERO_SIZE_PTR and get stored in dss_info->fh_versions, while later fle...

CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

EUVD-2026-45514

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

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...

CVE-2026-53390

The CVE-2026-53390 issue affects ksmbd in the Linux kernel, where an out-of-bounds heap read can be triggered by crafted ACEs in SMB DACLs. Root cause: smb_check_perm_dacl() validates ACE header and caps sid.num_subauth but did not ensure ace->size is large enough to contain num_subauth sub-au...

OESA-2026-3015 libssh2 security update

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS22, SECSH-USERAUTH25, SECSH-CONNECTION23, SECSH-ARCH20, SECSH-FILEXFER06, SECSH-DHGEX04, and SECSH-NUMBERS10. Security Fixes: libssh2 through 1.11.1, fixed in commit 2dae302, contains an out-of-bounds he...

CVE-2026-53376

CVE-2026-53376 fixes an upper bound check in drm/amdkfd (kfd_ioctl_get_process_apertures_new) in the Linux kernel, preventing potential out-of-bounds access. The patch sequence is noted as cherry-picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f and has been applied to stable kernels fo...

CVE-2026-53376

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add upper bound check for numofnodes drm/amdkfd: Add upper bound check for numofnodes in kfdioctlgetprocessaperturesnew. cherry picked from commit 98ff46a5ea090c14d2cdb4f5b993b05d74f3949f...

PT-2026-61453

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A locking issue exists in the SMB client where the tc count increment within the smb2 find smb sess tcon unlocked function is not properly protected. This occurs because the code failed ...

PT-2026-61387

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A preempt count leak exists in the powerpc/hv-gpci component. Four sysfs show callbacks—processor bus topology show, processor config show, affinity domain via virtual processor show, an...

PT-2026-61134

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the f2fs file system where the f2fs recover orphan inodes function trusts the entry count of the orphan block when replaying orphan inodes from the checkpoint pack. If...

CVE-2026-64070: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: powerpc/hv-gpci: fix preempt count leak in sysfs show paths Four sysfs show callbacks in hv-gpci take getcpuvarhvgpcireqb which calls preemptdisable but only call the matching putcpuvar on the error path under the 'out:' label...

PT-2026-61081

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.140 Description The issue exists in the drm/amdkfd component of the Linux kernel. A lack of upper bound validation for the num of nodes variable in the kfd ioctl get process apertures new function allows...