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Search Results (12159 CVEs found)
| CVE | Vendors | Products | Updated | CVSS v3.1 |
|---|---|---|---|---|
| CVE-2026-89768 | 1 Linux | 1 Linux Kernel | 2026-09-11 | 2.3 Low |
| In the Linux kernel, the following vulnerability has been resolved: fs: fix user path of nested backing files backing_file_open() derives the path to be stored in the new backing file from user_file->f_path. This is incorrect when user_file itself is a backing file, which is the case for nested stacking filesystems, e.g. overlayfs mounts where the lowerdir of one overlayfs is the merged directory of another. Since commit def3ae83da02 ("fs: store real path instead of fake path in backing file f_path") the f_path of a backing file holds the real path of the intermediate layer, not the path that the user opened. Commit 924577e4f6ca ("ovl: Fix nested backing file paths") fixed this for such configurations by passing file_user_path() from ovl_open_realfile(). However, commit 6af36aeb147a ("lsm: add backing_file LSM hooks") changed the first argument of backing_file_open() from the user path back to the user file and derived the path from user_file->f_path again, silently re-introducing the problem. As a result, files mapped through a nested overlayfs show the wrong path in /proc/<pid>/maps and in perf/ftrace mmap records. For example, with two nested overlayfs mounts: mkdir -p /ovl/{lower,upper,work,merged} /ovl/nested echo hello > /ovl/lower/foo mount -t overlay overlay \ -o lowerdir=/ovl/lower,upperdir=/ovl/upper,workdir=/ovl/work \ /ovl/merged # at least two lowerdirs are needed when upperdir is nonexistent mount -t overlay overlay \ -o lowerdir=/ovl/merged:/ovl/lower /ovl/nested mapping /ovl/nested/foo shows a disconnected path instead of the user path: # readlink /proc/self/fd/3 /ovl/nested/foo # grep foo /proc/self/maps 7f6e2c100000-7f6e2c101000 r--s 00000000 00:24 15813027 /foo The bogus path is derived from the f_path of the intermediate backing file, whose mount is a private clone that d_path() cannot resolve. Fix this by using file_user_path(), which returns the outermost user-visible path for backing files and falls back to &user_file->f_path for regular files. This restores the behavior of commit 924577e4f6ca ("ovl: Fix nested backing file paths") for overlayfs and also fixes the same problem for the other backing_file_open() callers, fuse passthrough and erofs ishare, when their user file is itself a backing file. backing_tmpfile_open() has the same pattern but is not affected: it is only called by ovl_create_tmpfile() for the upper layer, and another overlayfs is rejected as upperdir by the DCACHE_OP_REAL check in ovl_mount_dir_check(), so its user_file can never be a backing file. | ||||
| CVE-2026-80229 | 2 Curl, Haxx | 2 Curl, Curl | 2026-09-11 | 7.5 High |
| When performing transfers via libcurl’s multi interface, pooled TLS connections can outlive their originating easy handles. In OpenSSL 3 provider configurations, libcurl attaches an allocated library context to the easy handle's state and passes it to OpenSSL without acquiring an ownership reference; destroying the easy handle prematurely frees this context while the active connection retains a dangling pointer, leading to a heap-use-after-free upon subsequent I/O or post-handshake operations. | ||||
| CVE-2026-81988 | 3 Adobe, Apple, Microsoft | 7 Acrobat, Acrobat 2024, Acrobat Dc and 4 more | 2026-09-11 | 7.8 High |
| Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. | ||||
| CVE-2026-78133 | 1 Strongswan | 1 Strongswan | 2026-09-11 | 7.5 High |
| libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling. | ||||
| CVE-2022-1199 | 3 Linux, Netapp, Redhat | 13 Linux Kernel, Active Iq Unified Manager, H300s and 10 more | 2026-09-11 | 7.5 High |
| A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability. | ||||
| CVE-2026-45447 | 1 Openssl | 1 Openssl | 2026-09-11 | 8.8 High |
| Issue summary: A specially crafted PKCS#7 or S/MIME signed message could trigger a use-after-free during PKCS#7 signature verification. Impact summary: A use-after-free may result in process crashes, heap corruption, or potentially remote code execution. When processing a PKCS#7 or S/MIME signed message, if the SignedData digestAlgorithms field is present as an empty ASN.1 SET, OpenSSL may incorrectly free a caller-owned BIO during PKCS7_verify(). A subsequent use of the BIO by the calling application results in a use-after-free condition. In the common case this occurs when the application later calls BIO_free() on the BIO originally passed to PKCS7_verify(). Depending on allocator behavior and application-specific BIO usage patterns, this may result in a crash or other memory corruption. In some application contexts this may potentially be exploitable for remote code execution. Applications that process PKCS#7 or S/MIME signed messages using OpenSSL PKCS#7 APIs may be affected. Applications using the CMS APIs for this processing are not affected. The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this issue, as the affected code is outside the OpenSSL FIPS module boundary. | ||||
| CVE-2026-80162 | 3 Adobe, Apple, Microsoft | 6 Acrobat, Acrobat 2024, Acrobat Dc and 3 more | 2026-09-11 | 5.5 Medium |
| Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file. | ||||
| CVE-2026-79909 | 3 Adobe, Apple, Microsoft | 7 Acrobat, Acrobat 2024, Acrobat Dc and 4 more | 2026-09-11 | 7.8 High |
| Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. | ||||
| CVE-2026-81989 | 3 Adobe, Apple, Microsoft | 7 Acrobat, Acrobat 2024, Acrobat Dc and 4 more | 2026-09-11 | 7.8 High |
| Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file. | ||||
| CVE-2026-21102 | 2 Samsung, Samsung Mobile | 2 Android, Samsung Mobile Devices | 2026-09-10 | 6.7 Medium |
| Use after free in DualDAR prior to SMR Sep-2026 Release 1 allows local privileged attackers to execute arbitrary code with root privilege. | ||||
| CVE-2026-77493 | 1 Microsoft | 26 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 23 more | 2026-09-10 | 9.8 Critical |
| Double free in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network. | ||||
| CVE-2026-78523 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 11 more | 2026-09-10 | 5.9 Medium |
| Use after free in Windows DNS allows an unauthorized attacker to deny service over a network. | ||||
| CVE-2026-80093 | 1 Microsoft | 18 Windows 10 1809, Windows 10 21h2, Windows 10 21h2 and 15 more | 2026-09-10 | 7 High |
| Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-83979 | 1 Microsoft | 21 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 18 more | 2026-09-10 | 7.8 High |
| Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-69876 | 1 Microsoft | 14 Windows 10 1607, Windows 10 1809, Windows Server 2012 and 11 more | 2026-09-10 | 8 High |
| Use after free in Windows DHCP Server allows an authorized attacker to execute code over an adjacent network. | ||||
| CVE-2026-83940 | 1 Microsoft | 21 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 18 more | 2026-09-10 | 7 High |
| Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-83968 | 1 Microsoft | 21 Windows 10 1607, Windows 10 1809, Windows 10 21h2 and 18 more | 2026-09-10 | 7.8 High |
| Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally. | ||||
| CVE-2026-87933 | 1 Davegamble | 1 Cjson | 2026-09-10 | 7.3 High |
| A vulnerability was found in DaveGamble cJSON up to 1.7.19. The affected element is the function cJSONUtils_MergePatch of the file cJSON_Utils.c. The manipulation results in use after free. The attack may be launched remotely. The exploit has been made public and could be used. The pull request to fix this issue awaits acceptance. | ||||
| CVE-2026-87877 | 1 Luben | 1 Zstd-jni | 2026-09-10 | 7.7 High |
| zstd-jni versions before 1.5.7-14 fail to validate closed state in setDict, setLongMax, setLevel and setRefMultipleDDicts methods of stream classes. Attackers can call these methods on closed streams to write through freed native pointers, corrupting unrelated objects or crashing the JVM. | ||||
| CVE-2026-7476 | 1 Arm | 3 5th Gen Gpu Architecture Kernel Driver, Bifrost Gpu Kernel Driver, Valhall Gpu Kernel Driver | 2026-09-10 | 7.8 High |
| Use After Free vulnerability in Arm Ltd Bifrost GPU Kernel Driver, Arm Ltd Valhall GPU Kernel Driver, Arm Ltd Arm 5th Gen GPU Architecture Kernel Driver allows a local non-privileged user process to perform improper GPU memory processing operations to access already freed memory. This issue affects Bifrost GPU Kernel Driver: from r49p3 through r49p5, r51p0, from r54p1 through r54p2; Valhall GPU Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0; Arm 5th Gen GPU Architecture Kernel Driver: from r49p3 through r49p5, from r51p0 through r54p3, r55p0. | ||||