UBUNTU-CVE-2026-97611

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix use-after-free of the flow table mask array tblmaskarrayrealloc retires the old maskarray before it stops being reachable: old = ovsldereferencetbl-maskarray; if old ... callrcu&old-rcu, maskarrayrcucb;...

UBUNTU-CVE-2026-98026

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: properly convert mglist to rcu Sashiko reported a bug 1 that brmulticastdelportgroup unlists the port group not using proper rcu helper that preserves the next pointer and after that immediately frees the port...

UBUNTU-CVE-2026-98037

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject untrusted allocated-object pointers When the final RCU read-side critical section ends, a local kptr is demoted to PTRUNTRUSTED but retains MEMALLOC. The pointer may be NULL or may refer to an object whose lifetime is...

UBUNTU-CVE-2026-98102

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

UBUNTU-CVE-2026-98106

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

CVE-2026-98106 drm/pagemap: Prevent double migration of device pages

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

CVE-2026-98106

The Linux kernel contains a vulnerability where a device-private folio migrated to system memory by a CPU fault remains reachable through the raw-PFN eviction path until migration finalization. If the same folio is selected for eviction during this window, a second migration attempt occurs, leavi...

EUVD-2026-86937

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

CVE-2026-98106 drm/pagemap: Prevent double migration of device pages

In the Linux kernel, the following vulnerability has been resolved: drm/pagemap: Prevent double migration of device pages A device-private folio migrated to system memory by a CPU fault can remain reachable through the raw-PFN eviction path until migration finalization drops the source reference...

CVE-2026-98102 ipv6: mcast: fix RCU list diversion in ip6_mc_del1_src()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

CVE-2026-98103 igmp: convert struct ip_sf_list to RCU

In the Linux kernel, the following vulnerability has been resolved: igmp: convert struct ipsflist to RCU Commit 23d2b94043ca "igmp: Add ipmclist lock in ipcheckmcrcu" added spinlockbh&im-lock to ipcheckmcrcu to prevent a use-after-free while iterating im-sources during concurrent deletions...

EUVD-2026-86933

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

CVE-2026-98102

The Linux kernel contains a vulnerability in the ipv6 multicast implementation within the ip6_mc_del1_src() function. When a source filter's count reaches zero, the code incorrectly moves the filter directly into the tombstone list by mutating psf->sf_next before an RCU grace period elapses. B...

CVE-2026-98102 ipv6: mcast: fix RCU list diversion in ip6_mc_del1_src()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

CVE-2026-98102

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: fix RCU list diversion in ip6mcdel1src When removing a source filter whose count reaches zero, ip6mcdel1src unlinks psf from pmc-mcasources. If the filter was previously active, the code moved psf directly into...

CVE-2026-98101

The Linux kernel contains a vulnerability in the ipv6 multicast implementation where the pmc->sflist is read locklessly under rcu_read_lock() by inet6_mc_check() during packet reception in UDP and RAW multicast receive paths. The root cause is that ip6_mc_source() performs in-place mutation of...

CVE-2026-98101 ipv6: mcast: use copy-on-write RCU updates in ip6_mc_source()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...

CVE-2026-98101 ipv6: mcast: use copy-on-write RCU updates in ip6_mc_source()

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...

EUVD-2026-86932

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...

CVE-2026-98101

In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: use copy-on-write RCU updates in ip6mcsource pmc-sflist is read locklessly under rcureadlock by inet6mccheck during packet reception in the UDP and RAW multicast receive paths. ip6mcsource mutated psl-sladdr and...