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Search Results (414032 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-99077 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 7.4 High |
| In the Linux kernel, the following vulnerability has been resolved: ipv4: udp: Create exceptions before socket matching Currently, when ICMP Fragmentation Needed and Redirect Message packets are locally delivered and quote a UDP packet, a FIB nexthop exception (FNHE) is only created if the kernel can match the UDP packet to an existing socket. This behavior allows off-path attackers to conduct a side-channel attack on the FNHE cache in order to discover the ephemeral port used by a connected UDP socket. Commit 6457378fe796 ("ipv4: use siphash instead of Jenkins in fnhe_hashfun()") and commit 67d6d681e15b ("ipv4: make exception cache less predictible") tried to mitigate such attacks by making it harder for attackers to discover hash collisions in the FNHE cache and by randomizing the number of exceptions a hash bucket can hold, respectively. Unfortunately, both of the mitigations can be bypassed. Instead, mitigate such attacks by always creating a FNHE, even before trying to find a matching socket. Do that by calling ipv4_update_pmtu() and ipv4_redirect(), the helpers used when the quoted packet did not originate from a socket. This means that guesses (right or wrong) from an off-path attacker will always result in a FNHE being created or updated in the cache that the attacker can observe. Pass an oif of 0, in a similar fashion to icmp_err(). This is also the oif used by the socket path for sockets that are not bound to a device. Note that this does not allow attackers to create FNHEs that they could not create before, as both helpers can already be reached with little to no validation. For example, by sending an ICMP error that quotes an ICMP Echo Reply or one that quotes a UDP source port that matches a wildcard socket. Also note that in the good case (matched socket) the above scheme comes at the cost of an extra route lookup, as the no socket helpers perform their own lookup before the one performed by ipv4_sk_update_pmtu() / ipv4_sk_redirect(). When the two resolve to different nexthops, it also results in two exceptions being created for the same destination IP. One in the FNHE cache of the nexthop resolved by the no socket helpers and another in the FNHE cache of the nexthop used by the socket. | ||||
| CVE-2026-99083 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 8.8 High |
| In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix heap out-of-bounds write in krb5_authenticate() In krb5_authenticate(), out_len is calculated to determine available headroom in response_buf for the incoming Kerberos AP-REP token. However, when SMB2_SESSION_SETUP is processed as a non-first element of a compounded SMB2 request, the calculation omits work->next_smb2_rsp_hdr_off. This causes out_len to overstate remaining buffer headroom by the cumulative size of prior responses in the compound chain. Consequently, the length check in ksmbd_krb5_authenticate() (*out_len <= resp->spnego_blob_len) passes erroneously, allowing memcpy() to write the AP-REP blob past the end of response_buf into adjacent kernel heap memory. Fix this by subtracting work->next_smb2_rsp_hdr_off when computing out_len, ensuring it accurately reflects physical remaining buffer space. | ||||
| CVE-2026-96858 | 1 Microsoft | 17 Windows 10 21h2, Windows 10 21h2, Windows 10 22h2 and 14 more | 2026-10-24 | 5.5 Medium |
| Missing authentication for critical function in Windows Security Account Manager allows an authorized attacker to perform tampering locally. | ||||
| CVE-2026-109969 | 2 Red Hat, Redhat | 4 Enterprise Linux, Enterprise Linux, Openshift and 1 more | 2026-10-24 | 4.7 Medium |
| A flaw was found in the clevis PKCS#11 pin. The clevis-pkcs11-afunix-socket-unlock daemon creates AF_UNIX sockets without explicit permission restrictions or peer credential verification. Under a permissive process umask, any local user can connect to the control socket and inject arbitrary device/key pairs, or connect to the data socket to receive LUKS passphrases. | ||||
| CVE-2026-17591 | 3 Libarchive, Red Hat, Redhat | 5 Libarchive, Enterprise Linux, Enterprise Linux and 2 more | 2026-10-24 | 3.6 Low |
| A flaw was found in libarchive. An attacker can cause a Denial of Service (DoS) or potential information disclosure due to a use-after-free vulnerability, which occurs when a program reads memory that has already been released. This issue arises when the archive_entry_copy_mac_metadata() function deallocates an internal buffer before completing a data copy. An attacker who can supply input to an application utilizing this function can trigger the flaw to crash the application or read uninitialized memory data. | ||||
| CVE-2026-115424 | 1 Redhat | 2 Openshift, Openshift Container Platform | 2026-10-24 | 5.5 Medium |
| A flaw was found in the OpenShift client oc. When extracting container image layers with oc image extract, the application fails to properly sanitize symbolic and hard link targets pointing to absolute paths or to sibling directories of the extraction destination. An attacker who supplies a malicious container image can exploit this vulnerability by embedding links, and a chained file entry, that reference locations outside the intended extraction directory. This allows the attacker to write attacker-controlled content to arbitrary locations on the host filesystem with the privileges of the user running the command, potentially leading to file modification outside the destination directory. | ||||
| CVE-2026-98889 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix sched scan IE sizing Scheduled scan built the probe request before iwl_mvm_scan_fits(), so oversized IEs could be copied into the fixed preq buffer before length validation. Move iwl_mvm_build_scan_probe() after the fits check. Also advertise max_sched_scan_ie_len using iwl_mvm_max_scan_ie_len() so userspace limits account for driver-inserted DS/TPC bytes. | ||||
| CVE-2026-98895 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 7 High |
| In the Linux kernel, the following vulnerability has been resolved: net/mlx5: HWS, Handle destroying table that has a miss table If a table has a miss table that was created by 'mlx5hws_table_set_default_miss' API function, its miss_tbl keeps the table that points to it in a list. If such table is deleted, we need to also remove it from the miss_tbl list, otherwise the node in miss_tbl list will contain garbage. | ||||
| CVE-2026-98952 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 7.3 High |
| In the Linux kernel, the following vulnerability has been resolved: pfcp: make sure the SEID is linear before reading it pfcp_encap_recv() only makes sure that the UDP header and the 4 byte PFCP header are in the linear area. When the S flag is set, pfcp_session_recv() then reads the 8 byte SEID that follows, which is not covered by the pskb_may_pull() check. A short PFCP packet with the S flag set, or one whose session header lies in a fragment, therefore makes pfcp_session_recv() read beyond the end of the packet data, and whatever it finds there is stored in the tunnel metadata that flower later classifies on. Pull up to the end of the SEID before reading it, and drop packets that are too short to contain it. Reload the header pointer afterwards since pskb_may_pull() may reallocate the skb head. Use offsetofend() rather than sizeof(struct pfcphdr_session): the structure is not packed, so its size is 16 bytes because of the alignment of the __be64 member, while the header on the wire is only 12 bytes, and valid session messages would be dropped. | ||||
| CVE-2026-99002 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: validate pitch coming from userspace Validate the pitch, alongside the box dimensions before trying to copy data from the underlying surface. Fixes possible out of bounds reads with cursor snooping. | ||||
| CVE-2026-111497 | 3 Google, Nodejs, Redhat | 3 Brotli, Nodejs, Hummingbird | 2026-10-24 | 8.1 High |
| A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to corrupt adjacent decoder state memory, disclose sensitive memory contents, cause a denial of service, or potentially execute arbitrary code using a crafted Brotli-compressed stream. Users need to update any Brotli libraries or binaries between 1.0.3 through 1.2.0 to the latest available version: 1.0.10 or 1.1.1 or 1.2.1. | ||||
| CVE-2026-98385 | 1 Linux | 1 Linux Kernel | 2026-10-24 | 7.8 High |
| In the Linux kernel, the following vulnerability has been resolved: sched/cache: Decouple sched_cache_group from mm to fix UAF Currently the sched cache grouping is by mm and the scheduling statistics sched_cache_stat lives in the mm structure. This ties the life cycle of scheduling stats with mm. In account_mm_sched(), the scheduling stats are accessed by task->mm->sc_stat. However, a task may be switching mm on one CPU when another CPU is running account_mm_sched(), and possibly accessing the old mm that was freed. This problem was found when running tests with KASAN by Hyunwoo: https://lore.kernel.org/lkml/apPb-Dr4nPYuHQOK@v4bel/ Instead of serializing the mm access by introducing extra acquisition of rq lock in the mm free path, extract sched_cache_stat from mm_struct, rename it as sched_cache_group and manage its life cycle apart from mm_struct with its own ref counting. This allows us in the next patch access sched_cache_group directly from task, and add a refcount on sched_cache_group when a task links to it. This prevents the use after free issue when accessing stale and released old mm and its sched cache stat a task switches to a new mm while account_mm_sched() is done elsewhere. The other benefit of this restructure is in the future, the grouping of tasks to a LLC would have the flexibility to be associated with a user defined grouping, or cgroup, cookie group, numa_group or others instead of just with a single mm address space. Rename sched_cache_stat to sched_cache_group and turn it into a refcounted object allocated from mm_struct. The mm_struct now holds a pointer (sched_cache_grp) to this object instead of embedding it. | ||||
| CVE-2026-99064 | 1 Linux | 2 Linux, Linux Kernel | 2026-10-24 | 8.1 High |
| In the Linux kernel, the following vulnerability has been resolved: cipso: adjust cached option offsets when removing CIPSO cipso_v4_skbuff_delattr() removes the CIPSO bytes but does not adjust cached offsets for options that follow them. For example, with a valid 10-byte CIPSO option followed by a seven-byte RR option, parsing records rr at offset 30. Removing CIPSO moves RR to offset 20, while the cached offset remains 30. Consumers such as ip_forward_options() and __ip_options_echo() then access the wrong bytes; the latter may interpret packet data as the option length and copy it into fixed-size option storage. Mirror cipso_v4_delopt() and subtract cipso_len from the srr, rr, ts and router_alert offsets when they follow CIPSO. cipso_len is the distance the first memmove() shifts those options. The later header move and network-header reset relocate the bytes and their offset base together. | ||||
| CVE-2026-69987 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 7.5 High |
| Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-69996 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 7.5 High |
| Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-69991 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 7.5 High |
| Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-70006 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 7.5 High |
| Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-70072 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 6.5 Medium |
| Allocation of resources without limits or throttling in Windows Netlogon allows an authorized attacker to deny service over a network. | ||||
| CVE-2026-70208 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 5.5 Medium |
| Out-of-bounds read in Windows HTTP.sys allows an authorized attacker to disclose information locally. | ||||
| CVE-2026-70293 | 1 Microsoft | 28 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 25 more | 2026-10-24 | 5.5 Medium |
| Use of uninitialized resource in Windows Win32 Kernel Subsystem allows an authorized attacker to disclose information locally. | ||||