Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: “aoe”: The potential use-after-free problem has been fixed in multiple locations. Regarding the fix for CVE-2023-6270, f98364e92662 “aoe: The potential use-after-free problem has been fixed in aoecmdcfgpkts” involves replacing...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: mptcp: error out earlier on disconnect Eric reported a division by zero error in the MPTCP protocol: Oops: divide error: 0000 1 PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 6094 Comm: syz-executor317 Not tainted...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/bhi: Avoid warnings in the DB handler due to BHI mitigation When BHI mitigation is enabled, if SYSENTER is invoked with the TF flag set, then entrySYSENTERcompat uses CLEARBRANCHHISTORY and calls clearbhbloop before the TF fl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the use-after-free of rsvqp on HIP08. Currently, rsvqp is freed before the ibunregisterdevice function is called on HIP08. During this time interval, users can still deregister MR, and rsvqp will be used in this...

kernel: mm: fix NULL pointer dereference in alloc_pages_bulk_noprof

A flaw was found in the Linux kernel's memory management subsystem. A local user can exploit this vulnerability to cause a Denial of Service DoS by crashing the system. When a task is migrated between processor groups cpusets concurrently during memory page allocation, a race condition can leave ...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-26966)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-26966 advisory. - In the Linux kernel, the following vulnerability has been resolved: clk: qcom: mmcc-apq8084: fix...

AZL-56375 CVE-2025-21680 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: pktgen: Avoid out-of-bounds access in getimixentries Passing a sufficient amount of imix entries leads to invalid access to the pktdev-imixentries array because of the incorrect boundary check. UBSAN: array-index-out-of-bounds in...

CVE-2025-21678

In the Linux kernel, the following vulnerability has been resolved: gtp: Destroy device along with udp socket's netns dismantle. gtpnewlink links the device to a list in devnetdev instead of srcnet, where a udp tunnel socket is created. Even when srcnet is removed, the device stays alive on...

CVE-2025-21676 net: fec: handle page_pool_dev_alloc_pages error

In the Linux kernel, the following vulnerability has been resolved: net: fec: handle pagepooldevallocpages error The fecenetupdatecbd function calls pagepooldevallocpages but did not handle the case when it returned NULL. There was a WARNON!newpage but it would still proceed to use the NULL point...

RDMA/hns: Fix NULL pointer derefernce in hns_roce_map_mr_sg()

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DEBIAN-CVE-2024-57917

In the Linux kernel, the following vulnerability has been resolved: topology: Keep the cpumask unchanged when printing cpumap During fuzz testing, the following warning was discovered: different return values 15 and 11 from vsnprintf"%pbl ", ... test:keyward is WARNING in kvasprintf WARNING: CPU:...

DEBIAN-CVE-2025-21648

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: clamp maximum hashtable size to INTMAX Use INTMAX as maximum size for the conntrack hashtable. Otherwise, it is possible to hit WARNONONCE in kvmallocnodenoprof when resizing hashtable because GFPNOWARN is...

AZL-57240 CVE-2025-21637 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

DEBIAN-CVE-2025-21637

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

UBUNTU-CVE-2025-21637

In the Linux kernel, the following vulnerability has been resolved: sctp: sysctl: udpport: avoid using current-nsproxy As mentioned in a previous commit of this series, using the 'net' structure via 'current' is not recommended for different reasons: - Inconsistency: getting info from the...

CVE-2025-21652 ipvlan: Fix use-after-free in ipvlan_get_iflink().

In the Linux kernel, the following vulnerability has been resolved: ipvlan: Fix use-after-free in ipvlangetiflink. syzbot presented an use-after-free report 0 regarding ipvlan and linkwatch. ipvlan does not hold a refcnt of the lower device unlike vlan and macvlan. If the linkwatch work is...

CVE-2025-21643

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix kernel async DIO Netfslib needs to be able to handle kernel-initiated asynchronous DIO that is supplied with a biovec array. Currently, because of the async flag, this gets passed to netfsextractuseriter which throws a...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-26924: scsi: lpfc: Release hbalock before calling lpfcworkerwakeup bsc1225820. CVE-2024-27397: netfilter: nftables: use timestamp to check for set element...

DEBIAN-CVE-2024-57896

In the Linux kernel, the following vulnerability has been resolved: btrfs: flush delalloc workers queue before stopping cleaner kthread during unmount During the unmount path, at closectree, we first stop the cleaner kthread, using kthreadstop which frees the associated taskstruct, and then stop...

AZL-68573 CVE-2024-57898 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: clear link ID from bitmap during link delete after clean up Currently, during link deletion, the link ID is first removed from the validlinks bitmap before performing any clean-up operations. However, some functio...