RLSA-2026:42919 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - zero initialize memory allocated via sockkmalloc CVE-2025-71113 kernel: Linux kernel: Denial of Service due to memory leak in tpm2loadcmd CVE-2025-71147 kernel:...

CVE-2026-64119

In the Linux kernel, the following vulnerability has been resolved: l2tp: use listdelrcu in l2tpsessionunhash An unprivileged local user can pin a host CPU indefinitely in l2tpsessiongetbyifname by issuing L2TPCMDSESSIONGET on L2TPATTRIFNAME concurrently with L2TPCMDSESSIONCREATE and...

CVE-2026-64119 l2tp: use list_del_rcu in l2tp_session_unhash

In the Linux kernel, the following vulnerability has been resolved: l2tp: use listdelrcu in l2tpsessionunhash An unprivileged local user can pin a host CPU indefinitely in l2tpsessiongetbyifname by issuing L2TPCMDSESSIONGET on L2TPATTRIFNAME concurrently with L2TPCMDSESSIONCREATE and...

CVE-2026-64119

CVE-2026-64119: In the Linux kernel, the vulnerability affects the L2TP subsystem. The bug arises in l2tp_session_unhash() where a session is removed from tunnel->session_list with list_del_init(), while readers traverse the list with list_for_each_entry_rcu() under rcu_read_lock_bh(). This le...

PT-2026-61436

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An unprivileged local user can cause a host CPU to pin indefinitely. This occurs when L2TP CMD SESSION GET is issued on L2TP ATTR IFNAME concurrently with L2TP CMD SESSION CREATE and L2T...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare CVE-2026-43303 In the Linux kernel, the following vulnerability has been resolved: lib/crypto: mpi: Fix integer underflow in mpireadrawfromsgl CVE-2026-43492 In...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath CVE-2026-43112 kernel: net: mana: Fix double destroyworkqueue on service rescan PCI path CVE-2026-43276 kernel: Linux kernel:...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-10263: arm64: errata: Mitigate TLBI errata on various Arm CPUs bsc1266290. CVE-2025-68324: scsi: imm: Fix use-after-free bug caused by unfinished delayed work...

xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

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CVE-2026-46116

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load on linux-6.12.y stable reproduced on 6.12.47, also reachable via the...

CVE-2026-46116 xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load on linux-6.12.y stable reproduced on 6.12.47, also reachable via the...

EUVD-2026-32875

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrmstate lists in xfrmstatedelete KASAN reproduces a slab-use-after-free in xfrmstatedelete's hlistdelrcu calls under syzkaller load on linux-6.12.y stable reproduced on 6.12.47, also reachable via the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a race condition that occurred due to concurrent opens during the rename2 operation. In addition to sending the rename request to the server, the rename process also involves closing any deferred closes, waitin...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000932)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000932 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel before 4.0.3 does not initialize a certain list data structure during an unhash operation, which allow...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001639)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001639 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002697)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002697 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003079)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003079 advisory. The pingunhash function in net/ipv4/ping.c in the Linux kernel through 4.10.8 is too late in obtaining a certain lock and consequently cannot ensure that disconnect...

kernel: smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

CVE-2025-39825 smb: client: fix race with concurrent opens in rename(2)

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename2 Besides sending the rename request to the server, the rename process also involves closing any deferred close, waiting for outstanding I/O to complete as well as marking all...

CVE-2025-39825

CVE-2025-39825 is described in the connected IBM security bulletin as a Linux kernel vulnerability: the smb client race with concurrent opens in rename(2). The root cause is a race during the rename operation where, besides sending the rename request, the kernel also closes deferred closes, await...