DEBIAN-CVE-2025-21725

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to unset link speed It isn't guaranteed that NETWORKINTERFACEINFO::LinkSpeed will always be set by the server, so the client must handle any values and then prevent oopses like below from happening: Oops...

UBUNTU-CVE-2025-21725

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix oops due to unset link speed It isn't guaranteed that NETWORKINTERFACEINFO::LinkSpeed will always be set by the server, so the client must handle any values and then prevent oopses like below from happening: Oops...

CVE-2025-21725

CVE-2025-21725 Affects the Linux kernel SMB/CIFS client. The issue occurs when NETWORK_INTERFACE_INFO::LinkSpeed is not set, which can trigger an oops/divide error in cifs_debug_data_proc_show. The patch fixes this by initializing cifs_server_iface::speed to a sane default of 1 Gbps when the link...

Vulnerabilities of components such as SMB/client and kernel in Linux operating systems, which allow attackers to cause service interruptions.

The vulnerability of SMB/client components in the Linux operating system is related to the dereferencing of the NULL pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-45828: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop request bsc1235705. CVE-2024-46858: mptcp: pm: Fix uaf in timerdeletesync bsc1231088...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 Azure kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52489: mm/sparsemem: fix race in accessing memorysection-usage bsc1221326. CVE-2024-45828: i3c: mipi-i3c-hci: Mask ring interrupts before ring stop...

CLSA-2025-1738663660 kernel: Fix of 11 CVEs

ELF: fix kernel.randomizevaspace double read CVE-2024-46826 - smb: client: fix UAF in async decryption CVE-2024-50047 - net: do not delay dstentriesadd in dstrelease CVE-2024-50036 - net: atlantic: eliminate double free in error handling logic CVE-2023-52664 - smb: client: fix potential UAF in...

CLSA-2025-1738663576 kernel: Fix of 11 CVEs

ELF: fix kernel.randomizevaspace double read CVE-2024-46826 - smb: client: fix UAF in async decryption CVE-2024-50047 - SMB3: Resolve data corruption of TCP server info fields CVE-2024-50047 - smb3: add defines for new crypto algorithms CVE-2024-50047 - net: do not delay dstentriesadd in...

CLSA-2025-1738592614 kernel: Fix of 26 CVEs

xsk: fix OOB map writes when deleting elements CVE-2024-56614 - hvsock: Initializing vsk-trans to NULL to prevent a dangling pointer CVE-2024-53103 - scsi: sg: Fix slab-use-after-free read in sgrelease CVE-2024-56631 - net: inet: do not leave a dangling sk pointer in inetcreate CVE-2024-56601 -...

AZL-56381 CVE-2025-21673 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, cifsd thread might be reconnecting to multiple DFS targets before it realizes it should exit the loop, so @server-hostnam...

AZL-56409 CVE-2025-21673 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, cifsd thread might be reconnecting to multiple DFS targets before it realizes it should exit the loop, so @server-hostnam...

UBUNTU-CVE-2025-21673

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, cifsd thread might be reconnecting to multiple DFS targets before it realizes it should exit the loop, so @server-hostnam...

CVE-2025-21673

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, cifsd thread might be reconnecting to multiple DFS targets before it realizes it should exit the loop, so @server-hostnam...

CVE-2025-21673 smb: client: fix double free of TCP_Server_Info::hostname

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double free of TCPServerInfo::hostname When shutting down the server in cifsputtcpsession, cifsd thread might be reconnecting to multiple DFS targets before it realizes it should exit the loop, so @server-hostnam...

Windows Exploitation Tricks: Trapping Virtual Memory Access (2025 Update)

Posted by James Forshaw, Google Project Zero Back in 2021 I wrote a blog post about various ways you can build a virtual memory access trap primitive on Windows. The goal was to cause a reader or writer of a virtual memory address to halt for a significant e.g. 1 or more seconds amount of time,...

PT-2025-24857

Name of the Vulnerable Software and Affected Versions Microsoft Windows affected versions not specified Description Improper access control in the Windows SMB client, specifically within the mrxsmb.sys driver, allows an authorized or unauthenticated remote attacker to elevate privileges to the NT...

smb: client: fix NULL ptr deref in crypto_aead_setkey()

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Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-53095: smb: client: Fix use-after-free of network namespace bsc1233642. CVE-2024-53146: NFSD: Prevent a potential integer overflow bsc1234853...

PT-2025-4354

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to a double free of TCP Server Info::hostname in the Linux kernel's smb client. When shutting down the server in cifs put tcp session, the cifsd thread might be...

CLSA-2025-1736783731 kernel: Fix of 10 CVEs

media: edia: dvbdev: fix a use-after-free CVE-2024-27043 - vsock/virtio: Initialization of the dangling pointer occurring in vsk-trans CVE-2024-50264 - net/sched: stop qdisctreereducebacklog on TCHROOT CVE-2024-53057 - bpf: Fix out-of-bounds write in triegetnextkey CVE-2024-50262 - KVM: nSVM:...