CVE-2025-21768 net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

CVE-2025-21768

Technical details for CVE-2025-21768 are not publicly provided in the supplied documents. Monitor for updates from the linked advisories and security feeds.

CVE-2025-21768

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

CVE-2025-21757

CVE-2025-21757 entry is rejected/not used by its CVE Numbering Authority.

CVE-2025-21757

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CVE-2025-21768: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: net: ipv6: fix dst ref loops in rpl, seg6 and ioam6 lwtunnels Some lwtunnels have a dst cache for post-transformation dst. If the packet destination did not change we may end up recording a reference to the lwtunnel in its own...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: macsec: Fixed a use-after-free issue during the sending of the offloading packet. KASAN reports the following UAF. The metadatadst, which is used to store the SCI value for macsec offloading, is already freed by metadatadstfre...

PT-2025-8880

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A issue in the Linux kernel has been identified, specifically in the ipv6 component, where certain lwtunnels such as rpl, seg6, and ioam6 have a dst cache for post-transformation dst. Th...

Security update for the Linux Kernel (Live Patch 12 for SLE 15 SP5)

This update for the Linux Kernel 5.14.21-1505005559 fixes several issues. The following security issues were fixed: CVE-2024-41057: cachefiles: fix slab-use-after-free in cachefileswithdrawcookie bsc1229275. CVE-2024-36971: Fixed dstnegativeadvice race bsc1226324. CVE-2024-50264: vsock/virtio:...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: make sure we have at least eth header len bytes CVE-2024-38538 In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE...

SUSE CVE-2024-57841

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

CVE-2024-57841

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

CVE-2024-57841

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

AZL-55846 CVE-2024-57841 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

UBUNTU-CVE-2024-57841

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

CVE-2024-57841 net: fix memory leak in tcp_conn_request()

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

CVE-2024-57841

CVE-2024-57841 concerns a Linux kernel memory leak in tcp_conn_request() where dst memory allocated in af_ops->route_req is not freed if inet_csk_reqsk_queue_hash_add() fails, as shown by the kmemleak stack. The vulnerability is in the path that leads to tcp_conn_request() and may leak memory ...

CVE-2024-57841 net: fix memory leak in tcp_conn_request()

In the Linux kernel, the following vulnerability has been resolved: net: fix memory leak in tcpconnrequest If inetcskreqskqueuehashadd return false, tcpconnrequest will return without free the dst memory, which allocated in afops-routereq. Here is the kmemleak stack: unreferenced object...

SUSE CVE-2024-56658

In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dstdestroy 1 Issue is in xfrm6netinit and xfrm4netinit : They copy xfrm46dstopstemplate into net-xfrm.xfrm46dstops. But net structure...

SUSE CVE-2024-56644

In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6negativeadvice when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that must ...