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Package · Azure Linux

kernel

6,741 known vulnerabilities.

6,728 results · Feed

  • Critical 10.0

    veth: fix skb length accounting after XDP frag adjustment

    In the Linux kernel, the following vulnerability has been resolved: veth: fix skb length accounting after XDP frag adjustment veth exposes non-linear skb fragments through an xdp_buff. If an XDP program adjusts the fragment area, veth_xdp_rcv_skb() copies xdp…

  • Critical 9.8

    tls: rx: restore msg_iter before TLS 1.3 optimistic retry

    In the Linux kernel, the following vulnerability has been resolved: tls: rx: restore msg_iter before TLS 1.3 optimistic retry tls_decrypt_sg() advances msg->msg_iter when it maps user pages for the optimistic TLS 1.3 zero-copy path. If the decrypted record tu…

  • High 7.8

    tls: don't leave a full plaintext sk_msg ring unpushed

    In the Linux kernel, the following vulnerability has been resolved: tls: don't leave a full plaintext sk_msg ring unpushed When the copy path in tls_sw_sendmsg_locked() adds the fragment that fills the plaintext sk_msg ring, it does not set full_record, so th…

  • High 7.8

    tipc: read le->link under the node lock in tipc_node_link_down()

    In the Linux kernel, the following vulnerability has been resolved: tipc: read le->link under the node lock in tipc_node_link_down() tipc_node_link_down() caches the link pointer before taking n->lock: struct tipc_link *l = le->link; /* unlocked */ if (!l) re…

  • Critical 9.8

    smb: client: Fix use-after-free in cifs_try_adding_channels()

    In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_try_adding_channels() cifs_try_adding_channels() takes a temporary reference to an interface before dropping iface_lock. If cifs_ses_add_channel() fail…

  • High 8.8

    KVM: SVM: Serialize accesses to the owner and mirror list with separate lock

    In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Serialize accesses to the owner and mirror list with separate lock Interaction between KVM_CAP_VM_MOVE_ENC_CONTEXT_FROM and KVM_CAP_VM_COPY_ENC_CONTEXT_FROM can cause two separate i…

  • High 7.8

    eventfs: Use children field for rcu head and add memory barriers

    In the Linux kernel, the following vulnerability has been resolved: eventfs: Use children field for rcu head and add memory barriers When an eventfs inode is freed, it sets ei->is_freed and then uses its ei->list to add it to the srcu link list as the list fi…

  • High 8.4

    Revert "thermal/drivers/hwmon: Cleanup coding style a bit"

    In the Linux kernel, the following vulnerability has been resolved: Revert "thermal/drivers/hwmon: Cleanup coding style a bit" Revert commit 030a48b0f6ce ("thermal/drivers/hwmon: Cleanup coding style a bit") that introduced a use-after-free into the error pat…

  • High 7.8

    ring-buffer: Use current_context for safe per-CPU buffer swap

    In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Use current_context for safe per-CPU buffer swap The ring_buffer_swap_cpu() function currently checks the per-CPU committing counter to determine if a buffer is actively being wr…

  • Unscored —

    mm/ptdump: always stabilise against page table freeing using init_mm

    In the Linux kernel, the following vulnerability has been resolved: mm/ptdump: always stabilise against page table freeing using init_mm Previous commits have established the invariant that kernel page table freeing is performed while an mmap read lock on ini…

  • High 7.5

    ipv6: fix Route Information option length validation

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix Route Information option length validation rt6_route_rcv() validates the Route Information option (RFC 4191) length against the prefix length, but both checks are off by one. rinfo-…

  • Critical 9.8

    ip6_tunnel: clear skb2->cb[] in ip6ip6_err()

    In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: clear skb2->cb[] in ip6ip6_err() ip6ip6_err() clones an outer IPv6 ICMP error skb, pulls it to the quoted inner IPv6 packet, and then passes the clone to icmpv6_send(). The clone …

  • High 7.8

    fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy()

    In the Linux kernel, the following vulnerability has been resolved: fscrypt: use the mount idmap for the owner check in fscrypt_ioctl_set_policy() fscrypt_ioctl_set_policy() calls inode_owner_or_capable() with &nop_mnt_idmap before allowing an encryption poli…

  • High 7.8

    sched/psi: Shut down rtpoll_timer in psi_cgroup_free()

    In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpoll_timer in psi_cgroup_free() psi_schedule_rtpoll_work() is called locklessly from the scheduler hotpath and can race psi_trigger_destroy() taking down the last rtpol…

  • High 8.1

    ima: Instantiate file_truncate and path_truncate hooks

    In the Linux kernel, the following vulnerability has been resolved: ima: Instantiate file_truncate and path_truncate hooks Instantiate the file_truncate and path_truncate LSM hooks to reset the action cache flags (IMA_DONE_MASK) as soon as truncation is reque…

  • High 8.4

    bpf, sockmap: Fix sk_redir use-after-free in send verdict

    In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix sk_redir use-after-free in send verdict sk_psock_msg_verdict() takes a socket reference for psock->sk_redir. tcp_bpf_send_verdict() copies that pointer while holding the sou…

  • Critical 9.8

    sctp: keep chunk->transport in step with the list it is queued on

    In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk->transport in step with the list it is queued on __sctp_outq_flush_rtx() moves a gap-acked chunk onto another transport's transmitted list without updating chunk->transport: …

  • Critical 9.8

    sctp: fix use-after-free of cached ASCONF chunk

    In the Linux kernel, the following vulnerability has been resolved: sctp: fix use-after-free of cached ASCONF chunk addip_last_asconf caches the outstanding outbound ASCONF chunk. The normal ASCONF-ACK completion path releases the chunk and clears the pointer…

  • Critical 9.8
    CVE-2026-74586 Public exploit

    sctp: clear new_transport when removing a peer

    In the Linux kernel, the following vulnerability has been resolved: sctp: clear new_transport when removing a peer sctp_process_asconf_param() stores a newly added peer transport in asoc->new_transport. After all parameters in the ASCONF chunk have been proce…

  • High 7.8
    CVE-2026-74583 Public exploit

    net/sched: cls_route: fix fastmap use-after-free on filter

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_route: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4_filter pointers indexed by (id, iif). The read…

  • High 7.8

    packet: use consistent hard_header_len in non-ring send paths

    In the Linux kernel, the following vulnerability has been resolved: packet: use consistent hard_header_len in non-ring send paths packet_snd() reads dev->hard_header_len multiple times while allocating and constructing an skb. Device reconfiguration can chang…

  • High 8.8
    CVE-2026-74580 Public exploit

    vhost: reset the vring metadata cache on vring reconfiguration

    In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration vq->meta_iotlb[] caches the vhost_iotlb_map that backs each vring metadata region, and iotlb_access_ok() returns early on a cach…

  • Critical 9.8

    net: ipv6: clear suppressed fib6 rule result

    In the Linux kernel, the following vulnerability has been resolved: net: ipv6: clear suppressed fib6 rule result fib6_rule_suppress() drops a suppressed route with ip6_rt_put_flags(), but leaves res->rt6 pointing at the released rt6_info. If no later rule sup…

  • High 7.1

    netfilter: nft_payload: fix mask build for partial field offload

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_payload: fix mask build for partial field offload nft_payload_offload_mask() builds the offload match mask for a payload expression that covers only part of a header field. For…

  • Unscored —

    net: mpls: initialize rtm_tos in mpls_getroute()

    In the Linux kernel, the following vulnerability has been resolved: net: mpls: initialize rtm_tos in mpls_getroute() mpls_getroute() builds the RTM_NEWROUTE reply to an RTM_GETROUTE request by filling a struct rtmsg allocated from an skb whose data area is no…

  • High 7.5

    btrfs: zoned: fix deadlock between metadata writeback and transaction commit

    In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix deadlock between metadata writeback and transaction commit When writing out metadata extent buffers in a zoned filesystem, btree_writepages() holds fs_info->zoned_meta_io_lo…

  • Unscored —

    btrfs: skip global block reserve accounting for rescue mounts

    In the Linux kernel, the following vulnerability has been resolved: btrfs: skip global block reserve accounting for rescue mounts [BUG] Mounting with rescue=ibadroots after corrupting the block group tree root triggers a NULL pointer dereference: BUG: kernel …

  • Critical 9.8

    netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: widen NAT rewrite delta to s32 in sip_help_tcp() sip_help_tcp() stores the size change of each NAT-rewritten SIP message in s16 diff and accumulates it in s16 tdi…

  • High 7.1

    keys: fix out-of-bounds read in keyring_get_key_chunk()

    In the Linux kernel, the following vulnerability has been resolved: keys: fix out-of-bounds read in keyring_get_key_chunk() For description-level chunks keyring_get_key_chunk() advances the read pointer by level * sizeof(long) past the inline prefix but only …

  • High 7.8

    netfilter: nf_tables: make nft_object rhltable per table

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: make nft_object rhltable per table The nft_object rhltable is global, this allows for accessing objects that are being dismangled from lookup path by other existing netn…

  • Unscored —

    keys: make keyring key-chunk byte order agree with keyring_diff_objects()

    In the Linux kernel, the following vulnerability has been resolved: keys: make keyring key-chunk byte order agree with keyring_diff_objects() keyring_get_key_chunk() loads description bytes into the index chunk low address first, while keyring_diff_objects() …

  • High 7.1

    netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH

    In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_hashlimit: validate hashtable supports XT_HASHLIMIT_RATE_MATCH The XT_HASHLIMIT_RATE_MATCH flag mode changes the semantics of the dsthash_ent structure which represents an entry…

  • High 7.8

    rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check()

    In the Linux kernel, the following vulnerability has been resolved: rds: tcp: hold the RCU lock across ipv6_chk_addr() in rds_tcp_laddr_check() rds_tcp_laddr_check() looks up a scoped IPv6 interface with dev_get_by_index_rcu(), drops the RCU read-side lock, a…

  • Unscored —

    xsk: drain continuation descs after overflow in xsk_build_skb()

    In the Linux kernel, the following vulnerability has been resolved: xsk: drain continuation descs after overflow in xsk_build_skb() Fix generic xmit path multi-buffer logic when packets are either too big (count of descriptors exceed MAX_SKB_FRAGS) or an inva…

  • Unscored —

    xsk: fix buffer leak in xsk_drop_skb() for AF_XDP multi-buffer Tx

    In the Linux kernel, the following vulnerability has been resolved: xsk: fix buffer leak in xsk_drop_skb() for AF_XDP multi-buffer Tx This patch is inspired by the check[1] from sashiko. It says when overflow happens, the address of cq to be published is inva…

  • Unscored —

    xsk: reclaim invalid Tx descriptors in ZC batch path

    In the Linux kernel, the following vulnerability has been resolved: xsk: reclaim invalid Tx descriptors in ZC batch path The zero-copy Tx batch parser stops when it encounters an invalid descriptor. If this happens after one or more continuation descriptors, …

  • High 7.5

    scsi: libiscsi: Fix stale-data leak into the SCSI sense buffer

    In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Fix stale-data leak into the SCSI sense buffer iscsi_scsi_cmd_rsp() copies the sense data of a SCSI Response from the target-supplied data segment. The segment carries a 2-byt…

  • Critical 9.8

    scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer

    In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi_tcp: Bound SCSI Response data segment to the connection buffer iscsi_tcp_hdr_dissect() receives the data segment of several PDU types into the fixed-size conn->data buffer, whi…

  • Unscored —

    hwmon: (nct6775-core) Fix number of temperature registers for NCT6116

    In the Linux kernel, the following vulnerability has been resolved: hwmon: (nct6775-core) Fix number of temperature registers for NCT6116 Unlike NCT6106, NCT6116 only has three temperature registers, and with it only three temperature source and temperature s…

  • Unscored —

    hwmon: (lm90) Only report alarms if driver is ready

    In the Linux kernel, the following vulnerability has been resolved: hwmon: (lm90) Only report alarms if driver is ready Userspace can read sysfs attributes before driver registration is complete, immediately after devm_hwmon_device_register_with_info() has be…