CVE-2026-80638

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

UBUNTU-CVE-2026-80638

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

CVE-2026-80639 cxl/test: Fix __fortify_panic

In the Linux kernel, the following vulnerability has been resolved: cxl/test: Fix fortifypanic Fix a runtime assertion in setupxormapping. Fortify complains that it is potentially overflowing the xormaps array per countedbynrmaps. Quiet the false positive by initializing @nrmaps earlier. memcpy:...

CVE-2026-80639

CVE-2026-80639 affects the Linux kernel 's cxl/test module (loaded as cxl_translate). The issue is in setup_xor_mapping(), where the Fortify overflow detector reported a potential 32-byte write to a zero-size buffer for the xormaps array, due to the __counted_by(nr_maps) annotation seeing nr_maps...

CVE-2026-80640 cxl/fwctl: Fix __fortify_panic

In the Linux kernel, the following vulnerability has been resolved: cxl/fwctl: Fix fortifypanic Fix a runtime assertion in cxlctlgetsupportedfeatures. Fortify complains that it is potentially overflowing the entries array per countedbylenumentries. Quiet the false positive by initializing...

CVE-2026-80639 cxl/test: Fix __fortify_panic

In the Linux kernel, the following vulnerability has been resolved: cxl/test: Fix fortifypanic Fix a runtime assertion in setupxormapping. Fortify complains that it is potentially overflowing the xormaps array per countedbynrmaps. Quiet the false positive by initializing @nrmaps earlier. memcpy:...

EUVD-2026-67516

In the Linux kernel, the following vulnerability has been resolved: cxl/fwctl: Fix fortifypanic Fix a runtime assertion in cxlctlgetsupportedfeatures. Fortify complains that it is potentially overflowing the entries array per countedbylenumentries. Quiet the false positive by initializing...

CVE-2026-80638

CVE-2026-80638 is an out-of-bounds write in the Linux kernel's ocfs2 filesystem module, specifically in ocfs2_remove_refcount_extent(). When the last leaf block is removed from a refcount tree, a bulk memset on &rb->rf_records executes while rl_count is 0 (since rf_list.l_tree_depth aliases rf...

CVE-2026-80638 ocfs2: fix out-of-bounds write in ocfs2_remove_refcount_extent

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

CVE-2026-80638 ocfs2: fix out-of-bounds write in ocfs2_remove_refcount_extent

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

EUVD-2026-67514

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

PT-2026-82938

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write occurs in the ocfs2 remove refcount extent function when unlinking a refcounted file that has leaf blocks in its refcount tree. The issue arises when the last leaf...

PT-2026-82939

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A runtime assertion issue exists in the setup xor mapping function. The system triggers a fortify panic due to a false positive report of a potential buffer overflow in the xormaps array...

PT-2026-82940

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A runtime assertion issue exists in the cxlctl get supported features function. The system triggers a fortify panic due to a false positive buffer overflow detection where the entries...

CVE-2026-80638: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix out-of-bounds write in ocfs2removerefcountextent BUG Unlinking a refcounted file whose refcount tree has leaf blocks triggers a fortify panic due to an out-of-bounds write. CAUSE When the last leaf block is removed fro...

CVE-2026-46149

In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf return in tgptgpmembersshow targettgptgpmembersshow formats LUN paths with snprintf into a 256-byte stack buffer, then will memcpy curlen bytes from that buffer. snprintf returns the length...

CVE-2026-46149

Summary: CVE-2026-46149 affects the Linux kernel SCSI target subsystem, specifically the configfs path in tg_pt_gp_members_show(). The function formats LUN paths with snprintf() into a 256-byte stack buffer and then copies cur_len bytes via memcpy(), but snprintf() may return a length that exceed...

CVE-2026-46149

In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf return in tgptgpmembersshow targettgptgpmembersshow formats LUN paths with snprintf into a 256-byte stack buffer, then will memcpy curlen bytes from that buffer. snprintf returns the length...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010904)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010904 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Use memcpy for BIOS version The strlcat with FORTIFY support is triggering a panic...

kernel: scsi: lpfc: Use memcpy() for BIOS version

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Use memcpy for BIOS version The strlcat with FORTIFY support is triggering a panic because it thinks the target buffer will overflow although the correct target buffer size is passed in. Anyway, instead of memset with...