Moderate: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

corosync: Corosync: Denial of Service via integer overflow in join message validation

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...

corosync: Corosync: Denial of Service via integer overflow in join message validation

A flaw was found in Corosync. An integer overflow vulnerability in Corosync's join message sanity validation allows a remote, unauthenticated attacker to send crafted User Datagram Protocol UDP packets. This can cause the service to crash, leading to a denial of service. This vulnerability...

Moderate: Red Hat Security Advisory: corosync security update

An update for corosync is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available fo...

CVE-2026-43107

A flaw was found in the Linux kernel's xfrm subsystem. A remote attacker could send a specially crafted netlink message that, due to an incorrect size calculation when handling XFRMAIFID attributes, would lead to a buffer overflow. This issue could cause a kernel panic, resulting in a Denial of...

EUVD-2026-27800

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

EUVD-2026-27794

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackh323: fix OOB read in decodechoice In decodechoice, the boundary check before getlen uses the variable len, which is still 0 from its initialization at the top of the function: unsigned int type, ext, len = ...

EUVD-2026-27709

In the Linux kernel, the following vulnerability has been resolved: perf/arm-cmn: Reject unsupported hardware configurations So far we've been fairly lax about accepting both unknown CMN models at least with a warning, and unknown revisions of those which we do know, as although things do...

EUVD-2026-27688

In the Linux kernel, the following vulnerability has been resolved: dlm: validate length in dlmsearchrsbtree The len parameter in dlmdumprsbname is not validated and comes from network messages. When it exceeds DLMRESNAMEMAXLEN, it can cause out-of-bounds write in dlmsearchrsbtree. Add length...

CVE-2026-43244

In the Linux kernel, the following vulnerability has been resolved: kcm: fix zero-frag skb in fraglist on partial sendmsg error Syzkaller reported a warning in kcmwritemsgs when processing a message with a zero-fragment skb in the fraglist. When kcmsendmsg fills MAXSKBFRAGS fragments in the curre...

CVE-2026-43150

In the Linux kernel, the following vulnerability has been resolved: perf/arm-cmn: Reject unsupported hardware configurations So far we've been fairly lax about accepting both unknown CMN models at least with a warning, and unknown revisions of those which we do know, as although things do...

corosync security update

An update is available for corosync. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The corosync packages provide the Corosync Cluster Engine and C APIs for...

CVE-2025-71291

The CVE-2025-71291 issue affects the Linux kernel bcm_vk_read() function, where a NULL entry dereference could occur if entry is NULL and rc is -EMSGSIZE, potentially causing system instability or DoS. The fix copies fields (to_h_msg, usr_msg_id, to_h_blks) from the iterator into temporary variab...

CVE-2025-71291 misc: bcm_vk: Fix possible null-pointer dereferences in bcm_vk_read()

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fix possible null-pointer dereferences in bcmvkread In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If entry is NULL and rc is set to -EMSGSIZE, the following code may cause...

CVE-2026-43239

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43233

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackh323: fix OOB read in decodechoice In decodechoice, the boundary check before getlen uses the variable len, which is still 0 from its initialization at the top of the function: unsigned int type, ext, len = ...

CVE-2026-43233 netfilter: nf_conntrack_h323: fix OOB read in decode_choice()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrackh323: fix OOB read in decodechoice In decodechoice, the boundary check before getlen uses the variable len, which is still 0 from its initialization at the top of the function: unsigned int type, ext, len = ...

CVE-2026-43167

CVE-2026-43167 relates to the Linux kernel xfrm subsystem where a reference-count leak in xfrm_state occurs when a network device is unregistered. The issue stems from an IPsec hardware-offload API change (commit d77e38e612a0) that made xfrm_dev_unregister() a no-op, even though xfrm_dev_state_ad...

CVE-2026-43125

CVE-2026-43125 affects the Linux kernel dlm module. The vulnerability stems from unvalidated length in dlm_dump_rsb_name() coming from network messages, allowing an out-of-bounds write in dlm_search_rsb_tree() when the length exceeds DLM_RESNAME_MAXLEN. This could enable denial of service and, in...

CVE-2026-43112

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., "/", the current logic attempts to check cursor2 - 1 before cursor2...