EUVD-2026-39198

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Fix use-after-free in metadata dst teardown mtkfreedev calls metadatadstfree which frees the metadatadst with kfree immediately, bypassing the RCU grace period. In the RX path, skbdstsetnoref sets a...

CVE-2026-53247 net: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtkethsoc: Fix use-after-free in metadata dst teardown mtkfreedev calls metadatadstfree which frees the metadatadst with kfree immediately, bypassing the RCU grace period. In the RX path, skbdstsetnoref sets a...

CVE-2026-53212

The CVE-2026-53212 issue affects the Linux kernel nft_tunnel implementation within netfilter, where nft_tunnel_obj_destroy() used metadata_dst_free() to free a metadata_dst, bypassing dst_entry refcount accounting. This could leave in-flight packets that hold references (via dst_hold()) dangling,...

CVE-2026-53212 netfilter: nft_tunnel: fix use-after-free on object destroy

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttunnel: fix use-after-free on object destroy nfttunnelobjdestroy calls metadatadstfree which directly kfrees the metadatadst, ignoring the dstentry refcount. Packets that took a reference via dsthold in...

PT-2026-52342

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the mtk eth soc ethernet driver. The mtk free dev function calls metadata dst free, which uses kfree to immediately release metadata dst memory, bypassin...

PT-2026-52307

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the netfilter nft tunnel component. The function nft tunnel obj destroy invokes metadata dst free, which performs a direct memory free of metadata dst...

CVE-2026-46172

In the Linux kernel, the following vulnerability has been resolved: ipv6: xfrm6: release dst on error in xfrm6rcvencap xfrm6rcvencap performs an IPv6 route lookup when the skb does not already have a dst attached. ip6routeinputlookup returns a referenced dst entry even when the lookup resolves to...

CVE-2026-31469 virtio_net: Fix UAF on dst_ops when IFF_XMIT_DST_RELEASE is cleared and napi_tx is false

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and the device's IFFXMITDSTRELEASE flag is cleared e.g., during the...

Linux Distros Unpatched Vulnerability : CVE-2026-31469

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - virtionet: Fix UAF on dstops when IFFXMITDSTRELEASE is cleared and napitx is false A UAF issue occurs when the virtionet driver is configured with napitx=N and...

Azure Linux 3.0 Security Update: kernel (CVE-2025-22057)

The version of kernel 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-2025-22057 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989940)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989940 advisory. In the Linux kernel, the following vulnerability has been resolved: sit: do not call ipip6devfree from sitinitnet ipip6devfree is sit dev-privdestructor, already...

SUSE CVE-2025-22057

In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in dstrelease Upstream fix ac888d58869b "net: do not delay dstentriesadd in dstrelease" moved decrementing the dst count from dstdestroy to dstrelease to avoid accessing already freed data in cas...

PT-2025-16697

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the handling of cached destination counters in the dst release function. When CONFIG DST CACHE is enabled and Open vSwit...

SUSE CVE-2022-49198

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix crash due to tcptsortedanchor was initialized before release skb Got crash when doing pressure test of mptcp: =========================================================================== dstrelease: dst:ffffa06ce6e5c058...

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...

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...

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...

CLSA-2024-1731603213 Fix of 76 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-44946 - kcm: Serialise kcmsendmsg for the same socket. CVE-url: https://ubuntu.com/security/CVE-2024-42292 - kobjectuevent: Fix OOB access within zapmodaliasenv CVE-url: https://ubuntu.com/security/CVE-2024-41042 - netfilter: nftables: prefer...

DEBIAN-CVE-2024-50261

In the Linux kernel, the following vulnerability has been resolved: macsec: Fix use-after-free while sending the offloading packet KASAN reports the following UAF. The metadatadst, which is used to store the SCI value for macsec offload, is already freed by metadatadstfree in macsecfreenetdev,...

CVE-2024-50261 macsec: Fix use-after-free while sending the offloading packet

In the Linux kernel, the following vulnerability has been resolved: macsec: Fix use-after-free while sending the offloading packet KASAN reports the following UAF. The metadatadst, which is used to store the SCI value for macsec offload, is already freed by metadatadstfree in macsecfreenetdev,...