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Azure Linux

13,380 known vulnerabilities.

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  • Critical 9.8

    mptcp: fix a race in mptcp_pm_del_add_timer()

    In the Linux kernel, the following vulnerability has been resolved: mptcp: fix a race in mptcp_pm_del_add_timer() mptcp_pm_del_add_timer() can call sk_stop_timer_sync(sk, &entry->add_timer) while another might have free entry already, as reported by syzbot. A…

  • Critical 9.8

    net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()

    In the Linux kernel, the following vulnerability has been resolved: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end() The loops in 'qede_tpa_cont()' and 'qede_tpa_end()', iterate over 'cqe->len_list[]' using only a zero-…

  • Critical 9.1

    CVE-2025-12977

    Fluent Bit in_http, in_splunk, and in_elasticsearch input plugins fail to sanitize tag_key inputs. An attacker with network access or the ability to write records into Splunk or Elasticsearch can supply tag_key values containing special characters such as new…

  • Critical 9.8

    tls: wait for pending async decryptions if tls_strp_msg_hold fails

    In the Linux kernel, the following vulnerability has been resolved: tls: wait for pending async decryptions if tls_strp_msg_hold fails Async decryption calls tls_strp_msg_hold to create a clone of the input skb to hold references to the memory it uses. If we …

  • Critical 10.0
    CVE-2025-10230 Public exploit EPSS 40%

    Samba: command injection in wins server hook script

    A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS names from registration packets are passed to a shell without proper validation or escaping. Unsanitized NetBIOS name data from WINS registration packets are inserted into a shell command…

  • Critical 9.8

    A type confusion vulnerability exists in the lasso_node_impl_init_from_xml functionality of Entr'ouvert Lasso 2.5.1…

  • Critical 9.4

    cifs: parse_dfs_referrals: prevent oob on malformed input

    In the Linux kernel, the following vulnerability has been resolved: cifs: parse_dfs_referrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS - reply smaller than sizeof(struct get_dfs_referral_rsp) - rep…

  • Critical 9.8

    ipv4: start using dst_dev_rcu()

    In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use…

  • Critical 10.0
    CVE-2025-62168 Public exploit Scanner template EPSS 62%

    Squid vulnerable to information disclosure via authentication credential leakage in error handling

    Squid is a caching proxy for the Web. In Squid versions prior to 7.2, a failure to redact HTTP authentication credentials in error handling allows information disclosure. The vulnerability allows a script to bypass browser security protections and learn the c…

  • Critical 9.8

    fs: dlm: fix use after free in midcomms commit

    In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix use after free in midcomms commit While working on processing dlm message in softirq context I experienced the following KASAN use-after-free warning: [ 151.760477] =============…

  • Critical 9.8

    ice: fix Rx page leak on multi-buffer frames

    In the Linux kernel, the following vulnerability has been resolved: ice: fix Rx page leak on multi-buffer frames The ice_put_rx_mbuf() function handles calling ice_put_rx_buf() for each buffer in the current frame. This function was introduced as part of hand…

  • Critical 9.8
    CVE-2025-39946 Public exploit EPSS 11%

    tls: make sure to abort the stream if headers are bogus

    In the Linux kernel, the following vulnerability has been resolved: tls: make sure to abort the stream if headers are bogus Normally we wait for the socket to buffer up the whole record before we service it. If the socket has a tiny buffer, however, we read o…

  • Critical 9.8

    smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work)

    In the Linux kernel, the following vulnerability has been resolved: smb: client: let smbd_destroy() call disable_work_sync(&info->post_send_credits_work) In smbd_destroy() we may destroy the memory so we better wait until post_send_credits_work is no longer p…

  • Critical 10.0
    CVE-2025-49844 Public exploit Scanner template EPSS 83%

    Redis Lua Use-After-Free may lead to remote code execution

    Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted Lua script to manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code exe…

  • Critical 9.4

    Use-after-free vulnerability in Qt SVG qsvghandler.cpp allows denial of service via crafted SVG

    The module will parse a <pattern> node which is not a child of a structural node. The node will be deleted after creation but might be accessed later leading to a use after free.

  • Critical 9.1

    Freeipa: idm: privilege escalation from host to domain admin in freeipa

    A privilege escalation flaw from host to domain administrator was found in FreeIPA. This vulnerability is similar to CVE-2025-4404, where it fails to validate the uniqueness of the krbCanonicalName. While the previously released version added validations for …

  • Critical 9.8

    Out-of-bounds read & write in RFC 3211 KEK Unwrap

    Issue summary: An application trying to decrypt CMS messages encrypted using password based encryption can trigger an out-of-bounds read and write. Impact summary: This out-of-bounds read may trigger a crash which leads to Denial of Service for an application…

  • Critical 9.8

    libceph: fix invalid accesses to ceph_connection_v1_info

    In the Linux kernel, the following vulnerability has been resolved: libceph: fix invalid accesses to ceph_connection_v1_info There is a place where generic code in messenger.c is reading and another place where it is writing to con->v1 union member without ch…

  • Critical 9.8

    scsi: lpfc: Fix buffer free/clear order in deferred receive path

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix buffer free/clear order in deferred receive path Fix a use-after-free window by correcting the buffer release sequence in the deferred receive path. The code freed the RQ buff…

  • Critical 9.8

    scsi: target: iscsi: Fix a race condition between login_work and the login thread

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsi: Fix a race condition between login_work and the login thread In case a malicious initiator sends some random data immediately after a login PDU; the iscsi_target_sk_data_…

  • Critical 9.8

    RDMA/siw: Fix the sendmsg byte count in siw_tcp_sendpages

    In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix the sendmsg byte count in siw_tcp_sendpages Ever since commit c2ff29e99a76 ("siw: Inline do_tcp_sendpages()"), we have been doing this: static int siw_tcp_sendpages(struct socke…

  • Critical 9.8

    s390/ism: fix concurrency management in ism_cmd()

    In the Linux kernel, the following vulnerability has been resolved: s390/ism: fix concurrency management in ism_cmd() The s390x ISM device data sheet clearly states that only one request-response sequence is allowable per ISM function at any point in time. Un…

  • Critical 9.8

    net, hsr: reject HSR frame if skb can't hold tag

    In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash (kernel BUG): [ 45.390915] skbuff: skb_under_pani…

  • Critical 9.8

    ipv6: sr: Fix MAC comparison to be constant-time

    In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: Fix MAC comparison to be constant-time To prevent timing attacks, MACs need to be compared in constant time. Use the appropriate helper function for this.

  • Critical 9.8
    CVE-2025-39682 Exploited Public exploit

    tls: fix handling of zero-length records on the rx_list

    In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contiguous DATA records (any number of them) - one non-DATA record If the next record ha…

    KEV Sep 18, 2026
  • Critical 9.8

    ppp: fix race conditions in ppp_fill_forward_path

    In the Linux kernel, the following vulnerability has been resolved: ppp: fix race conditions in ppp_fill_forward_path ppp_fill_forward_path() has two race conditions: 1. The ppp->channels list can change between list_empty() and list_first_entry(), as ppp_loc…

  • Critical 9.8

    net/smc: fix UAF on smcsk after smc_listen_out()

    In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF on smcsk after smc_listen_out() BPF CI testing report a UAF issue: [ 16.446633] BUG: kernel NULL pointer dereference, address: 000000000000003 0 [ 16.447134] #PF: supervisor …

  • Critical 9.1

    smb3: fix for slab out of bounds on mount to ksmbd

    In the Linux kernel, the following vulnerability has been resolved: smb3: fix for slab out of bounds on mount to ksmbd With KASAN enabled, it is possible to get a slab out of bounds during mount to ksmbd due to missing check in parse_server_interfaces() (see …

  • Critical 9.8

    nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

    In the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the return value from get_client_locked(). a SE…

  • Critical 9.8

    drbd: add missing kref_get in handle_write_conflicts

    In the Linux kernel, the following vulnerability has been resolved: drbd: add missing kref_get in handle_write_conflicts With `two-primaries` enabled, DRBD tries to detect "concurrent" writes and handle write conflicts, so that even if you write to the same s…

  • Critical 9.8

    tls: separate no-async decryption request handling from async

    In the Linux kernel, the following vulnerability has been resolved: tls: separate no-async decryption request handling from async If we're not doing async, the handling is much simpler. There's no reference counting, we just need to wait for the completion to…

  • Critical 9.8

    [ceph] parse_longname(): strrchr() expects NUL-terminated string

    In the Linux kernel, the following vulnerability has been resolved: [ceph] parse_longname(): strrchr() expects NUL-terminated string ... and parse_longname() is not guaranteed that. That's the reason why it uses kmemdup_nul() to build the argument for kstrtou…

  • Critical 9.1

    Missing type checks leading to hash rewind and passing on crafted data

    Improper Input Validation vulnerability in sha.js allows Input Data Manipulation.This issue affects sha.js: through 2.4.11.

  • Critical 9.8

    sunrpc: fix handling of server side tls alerts

    In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix handling of server side tls alerts Scott Mayhew discovered a security exploit in NFS over TLS in tls_alert_recv() due to its assumption it can read data from the msg iterator's kv…

  • Critical 9.3

    x86/sev: Evict cache lines during SNP memory validation

    In the Linux kernel, the following vulnerability has been resolved: x86/sev: Evict cache lines during SNP memory validation An SNP cache coherency vulnerability requires a cache line eviction mitigation when validating memory after a page state change to priv…

  • Critical 9.4

    mptcp: plug races between subflow fail and subflow creation

    In the Linux kernel, the following vulnerability has been resolved: mptcp: plug races between subflow fail and subflow creation We have races similar to the one addressed by the previous patch between subflow failing and additional subflow creation. They are …

  • Critical 9.8

    smb: client: fix use-after-free in cifs_oplock_break

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifs_oplock_break A race condition can occur in cifs_oplock_break() leading to a use-after-free of the cinode structure when unmounting: cifs_oplock_break()…

  • Critical 9.3
    CVE-2025-54574 Public exploit EPSS 22%

    Squid's URN Handling can lead to Buffer Overflow

    Squid is a caching proxy for the Web. In versions 6.3 and below, Squid is vulnerable to a heap buffer overflow and possible remote code execution attack when processing URN due to incorrect buffer management. This has been fixed in version 6.4. To work around…

  • Critical 9.8

    smb: client: fix use-after-free in crypt_message when using async crypto

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in crypt_message when using async crypto The CVE-2024-50047 fix removed asynchronous crypto handling from crypt_message(), assuming all crypto operations are s…

  • Critical 9.8

    netfilter: nf_conntrack: fix crash due to removal of uninitialised entry

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack: fix crash due to removal of uninitialised entry A crash in conntrack was reported while trying to unlink the conntrack entry from the hash bucket list: [exception RIP…