EUVD-2026-76508

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix off-by-one when saving/restoring non-PCI config space nvsuspend and nvresume walk the non-PCI configuration space with for i = 0; i registersize/sizeofu32; i++ which runs one iteration too many. savedconfigspace is...

CVE-2026-89596

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix off-by-one when saving/restoring non-PCI config space nvsuspend and nvresume walk the non-PCI configuration space with for i = 0; i registersize/sizeofu32; i++ which runs one iteration too many. savedconfigspace is...

CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

CVE-2026-89554 affects the Linux kernel's MPTCP (Multipath TCP) implementation. When reconstructing a MP_JOIN request under SYN cookies, mptcp_token_join_cookie_init_state() fails to restore the local_id field from the saved cookie entry. Because the request-sock slab is SLAB_TYPESAFE_BY_RCU and ...

CVE-2026-89554 mptcp: fix uninitialized local_id in syncookie MP_JOIN reconstruction

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89554

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix uninitialized localid in syncookie MPJOIN reconstruction mptcptokenjoincookieinitstate restores remotenonce, localnonce, backup, joinid, token and msk from the saved cookie entry when rebuilding the request socket for ...

CVE-2026-89525

In the Linux kernel, the following vulnerability has been resolved: udf: reject VAT indexes equal to the entry count UDF 1.50 virtual partition mapping uses the VAT as an array of physical block mappings. snumentries stores the number of entries in that array, not the highest valid index. The val...

EUVD-2026-76348

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate socket ID in closassoc ioctl isstifclosassoc validates the user-supplied socketid with 'socketid topologymaxpackages', but isstcommon.sstinst is allocated with topologymaxpackages entries, so the vali...

CVE-2026-89442

CVE-2026-89442 affects the Linux kernel 's platform/x86 ISST (Intelligent Speed and Frequency Tuning) module. The isst_if_clos_assoc() ioctl function improperly validates the user-supplied socket_id: it uses > instead of >= against topology_max_packages(), allowing an out-of-bounds array ac...

CVE-2026-89442 platform/x86: ISST: Validate socket ID in clos_assoc ioctl

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate socket ID in closassoc ioctl isstifclosassoc validates the user-supplied socketid with 'socketid topologymaxpackages', but isstcommon.sstinst is allocated with topologymaxpackages entries, so the vali...

CVE-2026-89442

In the Linux kernel, the following vulnerability has been resolved: platform/x86: ISST: Validate socket ID in closassoc ioctl isstifclosassoc validates the user-supplied socketid with 'socketid topologymaxpackages', but isstcommon.sstinst is allocated with topologymaxpackages entries, so the vali...

CVE-2026-89436

In the Linux kernel, the following vulnerability has been resolved: platform/x86: panasonic-laptop: Fix sentinel write past pcc-sinf acpipccretrievebiosdata rejects SINF packages only when pcc-numsifr is strictly less than hkey-package.count, then unconditionally writes a trailing sentinel at...

CVE-2026-89436

CVE-2026-89436 is an out-of-bounds write in the Linux kernel's panasonic-laptop driver (platform/x86). In acpi_pcc_retrieve_biosdata(), a trailing sentinel is written at pcc->sinf[hkey->package.count], but when a DSDT's SINF package count equals SQTY+1 (a known off-by-one hardware quirk han...

CVE-2026-81012

CVE-2026-81012 is an off-by-one write in the Linux kernel's platform/x86: hp-bioscfg driver. The function hp_get_string_from_buffer() uses a strict greater-than (>) comparison when clamping the converted string length against the destination buffer size. When the converted length is exactly eq...

CVE-2026-81012 platform/x86: hp-bioscfg: fix off-by-one write in hp_get_string_from_buffer()

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix off-by-one write in hpgetstringfrombuffer hpgetstringfrombuffer clamps the converted string length against the destination buffer size with "size dstsize", so when the converted length is exactly equ...

EUVD-2026-76335

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix off-by-one write in hpgetstringfrombuffer hpgetstringfrombuffer clamps the converted string length against the destination buffer size with "size dstsize", so when the converted length is exactly equ...

CVE-2026-81012 platform/x86: hp-bioscfg: fix off-by-one write in hp_get_string_from_buffer()

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix off-by-one write in hpgetstringfrombuffer hpgetstringfrombuffer clamps the converted string length against the destination buffer size with "size dstsize", so when the converted length is exactly equ...

CVE-2026-81012

In the Linux kernel, the following vulnerability has been resolved: platform/x86: hp-bioscfg: fix off-by-one write in hpgetstringfrombuffer hpgetstringfrombuffer clamps the converted string length against the destination buffer size with "size dstsize", so when the converted length is exactly equ...

BIT-TOMCAT-2026-65927 Apache Tomcat: RewriteValve [N] restarts at the second rule and may bypass access control

Off-by-one Error vulnerability in Apache Tomcat impacting the N flag on the rewrite valves causes rewrite processing to restart at the second rule rather than the first rule. This issue affects Apache Tomcat: from 11.0.0 through 11.0.24, from 10.1.0 through 10.1.57, from 9.0.0 through 9.0.120. Th...

PT-2026-96436

In the Linux kernel, the following vulnerability has been resolved: forcedeth: fix off-by-one when saving/restoring non-PCI config space nv suspend and nv resume walk the non-PCI configuration space with for i = 0; i register size/sizeofu32; i++ which runs one iteration too many. saved config spa...