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Search Results (10292 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2025-62229 1 Redhat 1 Enterprise Linux 2025-11-03 7.3 High
A flaw was found in the X.Org X server and Xwayland when processing X11 Present extension notifications. Improper error handling during notification creation can leave dangling pointers that lead to a use-after-free condition. This can cause memory corruption or a crash, potentially allowing an attacker to execute arbitrary code or cause a denial of service.
CVE-2022-38181 1 Arm 3 Bifrost Gpu Kernel Driver, Midgard Gpu Kernel Driver, Valhall Gpu Kernel Driver 2025-11-03 8.8 High
The Arm Mali GPU kernel driver allows unprivileged users to access freed memory because GPU memory operations are mishandled. This affects Bifrost r0p0 through r38p1, and r39p0; Valhall r19p0 through r38p1, and r39p0; and Midgard r4p0 through r32p0.
CVE-2021-29256 1 Arm 3 Bifrost Gpu Kernel Driver, Midgard Gpu Kernel Driver, Valhall Gpu Kernel Driver 2025-11-03 8.8 High
. The Arm Mali GPU kernel driver allows an unprivileged user to achieve access to freed memory, leading to information disclosure or root privilege escalation. This affects Bifrost r16p0 through r29p0 before r30p0, Valhall r19p0 through r29p0 before r30p0, and Midgard r28p0 through r30p0.
CVE-2021-28663 1 Arm 3 Bifrost Gpu Kernel Driver, Midgard Gpu Kernel Driver, Valhall Gpu Kernel Driver 2025-11-03 8.8 High
The Arm Mali GPU kernel driver allows privilege escalation or information disclosure because GPU memory operations are mishandled, leading to a use-after-free. This affects Bifrost r0p0 through r28p0 before r29p0, Valhall r19p0 through r28p0 before r29p0, and Midgard r4p0 through r30p0.
CVE-2025-57108 1 Vtk 1 Vtk 2025-11-03 9.8 Critical
Kitware VTK (Visualization Toolkit) through 9.5.0 contains a heap use-after-free vulnerability in vtkGLTFDocumentLoader. The vulnerability manifests during mesh object copy operations where vector members are accessed after the underlying memory has been freed, specifically when handling GLTF files with corrupted or invalid mesh reference structures.
CVE-2024-57995 1 Linux 1 Linux Kernel 2025-11-02 7.8 High
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev() In ath12k_mac_assign_vif_to_vdev(), if arvif is created on a different radio, it gets deleted from that radio through a call to ath12k_mac_unassign_link_vif(). This action frees the arvif pointer. Subsequently, there is a check involving arvif, which will result in a read-after-free scenario. Fix this by moving this check after arvif is again assigned via call to ath12k_mac_assign_link_vif(). Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1
CVE-2025-22083 1 Linux 1 Linux Kernel 2025-10-31 7.8 High
In the Linux kernel, the following vulnerability has been resolved: vhost-scsi: Fix handling of multiple calls to vhost_scsi_set_endpoint If vhost_scsi_set_endpoint is called multiple times without a vhost_scsi_clear_endpoint between them, we can hit multiple bugs found by Haoran Zhang: 1. Use-after-free when no tpgs are found: This fixes a use after free that occurs when vhost_scsi_set_endpoint is called more than once and calls after the first call do not find any tpgs to add to the vs_tpg. When vhost_scsi_set_endpoint first finds tpgs to add to the vs_tpg array match=true, so we will do: vhost_vq_set_backend(vq, vs_tpg); ... kfree(vs->vs_tpg); vs->vs_tpg = vs_tpg; If vhost_scsi_set_endpoint is called again and no tpgs are found match=false so we skip the vhost_vq_set_backend call leaving the pointer to the vs_tpg we then free via: kfree(vs->vs_tpg); vs->vs_tpg = vs_tpg; If a scsi request is then sent we do: vhost_scsi_handle_vq -> vhost_scsi_get_req -> vhost_vq_get_backend which sees the vs_tpg we just did a kfree on. 2. Tpg dir removal hang: This patch fixes an issue where we cannot remove a LIO/target layer tpg (and structs above it like the target) dir due to the refcount dropping to -1. The problem is that if vhost_scsi_set_endpoint detects a tpg is already in the vs->vs_tpg array or if the tpg has been removed so target_depend_item fails, the undepend goto handler will do target_undepend_item on all tpgs in the vs_tpg array dropping their refcount to 0. At this time vs_tpg contains both the tpgs we have added in the current vhost_scsi_set_endpoint call as well as tpgs we added in previous calls which are also in vs->vs_tpg. Later, when vhost_scsi_clear_endpoint runs it will do target_undepend_item on all the tpgs in the vs->vs_tpg which will drop their refcount to -1. Userspace will then not be able to remove the tpg and will hang when it tries to do rmdir on the tpg dir. 3. Tpg leak: This fixes a bug where we can leak tpgs and cause them to be un-removable because the target name is overwritten when vhost_scsi_set_endpoint is called multiple times but with different target names. The bug occurs if a user has called VHOST_SCSI_SET_ENDPOINT and setup a vhost-scsi device to target/tpg mapping, then calls VHOST_SCSI_SET_ENDPOINT again with a new target name that has tpgs we haven't seen before (target1 has tpg1 but target2 has tpg2). When this happens we don't teardown the old target tpg mapping and just overwrite the target name and the vs->vs_tpg array. Later when we do vhost_scsi_clear_endpoint, we are passed in either target1 or target2's name and we will only match that target's tpgs when we loop over the vs->vs_tpg. We will then return from the function without doing target_undepend_item on the tpgs. Because of all these bugs, it looks like being able to call vhost_scsi_set_endpoint multiple times was never supported. The major user, QEMU, already has checks to prevent this use case. So to fix the issues, this patch prevents vhost_scsi_set_endpoint from being called if it's already successfully added tpgs. To add, remove or change the tpg config or target name, you must do a vhost_scsi_clear_endpoint first.
CVE-2025-22077 1 Linux 1 Linux Kernel 2025-10-31 5.5 Medium
In the Linux kernel, the following vulnerability has been resolved: Revert "smb: client: fix TCP timers deadlock after rmmod" This reverts commit e9f2517a3e18a54a3943c098d2226b245d488801. Commit e9f2517a3e18 ("smb: client: fix TCP timers deadlock after rmmod") is intended to fix a null-ptr-deref in LOCKDEP, which is mentioned as CVE-2024-54680, but is actually did not fix anything; The issue can be reproduced on top of it. [0] Also, it reverted the change by commit ef7134c7fc48 ("smb: client: Fix use-after-free of network namespace.") and introduced a real issue by reviving the kernel TCP socket. When a reconnect happens for a CIFS connection, the socket state transitions to FIN_WAIT_1. Then, inet_csk_clear_xmit_timers_sync() in tcp_close() stops all timers for the socket. If an incoming FIN packet is lost, the socket will stay at FIN_WAIT_1 forever, and such sockets could be leaked up to net.ipv4.tcp_max_orphans. Usually, FIN can be retransmitted by the peer, but if the peer aborts the connection, the issue comes into reality. I warned about this privately by pointing out the exact report [1], but the bogus fix was finally merged. So, we should not stop the timers to finally kill the connection on our side in that case, meaning we must not use a kernel socket for TCP whose sk->sk_net_refcnt is 0. The kernel socket does not have a reference to its netns to make it possible to tear down netns without cleaning up every resource in it. For example, tunnel devices use a UDP socket internally, but we can destroy netns without removing such devices and let it complete during exit. Otherwise, netns would be leaked when the last application died. However, this is problematic for TCP sockets because TCP has timers to close the connection gracefully even after the socket is close()d. The lifetime of the socket and its netns is different from the lifetime of the underlying connection. If the socket user does not maintain the netns lifetime, the timer could be fired after the socket is close()d and its netns is freed up, resulting in use-after-free. Actually, we have seen so many similar issues and converted such sockets to have a reference to netns. That's why I converted the CIFS client socket to have a reference to netns (sk->sk_net_refcnt == 1), which is somehow mentioned as out-of-scope of CIFS and technically wrong in e9f2517a3e18, but **is in-scope and right fix**. Regarding the LOCKDEP issue, we can prevent the module unload by bumping the module refcount when switching the LOCKDDEP key in sock_lock_init_class_and_name(). [2] For a while, let's revert the bogus fix. Note that now we can use sk_net_refcnt_upgrade() for the socket conversion, but I'll do so later separately to make backport easy.
CVE-2025-59238 1 Microsoft 10 365, 365 Apps, Office and 7 more 2025-10-31 7.8 High
Use after free in Microsoft Office PowerPoint allows an unauthorized attacker to execute code locally.
CVE-2025-59227 1 Microsoft 10 365, 365 Apps, Office and 7 more 2025-10-31 7.8 High
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVE-2025-59226 1 Microsoft 6 365, 365 Apps, Office 2021 and 3 more 2025-10-31 7.8 High
Use after free in Microsoft Office Visio allows an unauthorized attacker to execute code locally.
CVE-2025-59225 1 Microsoft 8 365, 365 Apps, Excel and 5 more 2025-10-31 7.8 High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-59224 1 Microsoft 11 365, 365 Apps, Excel and 8 more 2025-10-31 7.8 High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-59223 1 Microsoft 10 365, 365 Apps, Excel and 7 more 2025-10-31 7.8 High
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVE-2025-59222 1 Microsoft 10 365, 365 Apps, Office and 7 more 2025-10-31 7.8 High
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2025-59221 1 Microsoft 10 365, 365 Apps, Office and 7 more 2025-10-31 7 High
Use after free in Microsoft Office Word allows an unauthorized attacker to execute code locally.
CVE-2025-59210 1 Microsoft 6 Windows, Windows 11, Windows 11 24h2 and 3 more 2025-10-31 7.4 High
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
CVE-2025-59189 1 Microsoft 4 Windows, Windows 11, Windows Server and 1 more 2025-10-31 7.4 High
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
CVE-2025-58738 1 Microsoft 16 Windows, Windows 10, Windows 10 1507 and 13 more 2025-10-31 7 High
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
CVE-2025-58737 1 Microsoft 9 Remote Desktop, Windows, Windows Server and 6 more 2025-10-31 7 High
Use after free in Windows Remote Desktop allows an unauthorized attacker to execute code locally.