CVSS: 9.6EPSS: 0%CPEs: 3EXPL: 0CVE-2022-47943 – Linux Kernel ksmbd Out-Of-Bounds Read Information Disclosure Vulnerability
https://notcve.org/view.php?id=CVE-2022-47943
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case. Se descubrió un problema en ksmbd en el kernel de Linux 5.15 a 5.19 anterior a 5.19.2. Hay una lectura fuera de los límites y OOPS para SMB2_WRITE, cuando hay una longitud grande en el caso de DataOffset cero. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Linux Kernel. • http://www.openwall.com/lists/oss-security/2022/12/23/10 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09 https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09 https://security.netapp.com/advisory/ntap-20230216-0006 https://www.zerodayinitiative.com/advisories/ZDI-22-1691 • CWE-125: Out-of-bounds Read •
CVSS: 8.1EPSS: 0%CPEs: 1EXPL: 0CVE-2022-47940
https://notcve.org/view.php?id=CVE-2022-47940
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write. • http://www.openwall.com/lists/oss-security/2022/12/23/10 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6 https://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6 • CWE-125: Out-of-bounds Read •
CVSS: 5.5EPSS: 0%CPEs: 1EXPL: 1CVE-2022-47946
https://notcve.org/view.php?id=CVE-2022-47946
An issue was discovered in the Linux kernel 5.10.x before 5.10.155. A use-after-free in io_sqpoll_wait_sq in fs/io_uring.c allows an attacker to crash the kernel, resulting in denial of service. finish_wait can be skipped. An attack can occur in some situations by forking a process and then quickly terminating it. NOTE: later kernel versions, such as the 5.15 longterm series, substantially changed the implementation of io_sqpoll_wait_sq. Se descubrió un problema en el kernel de Linux 5.10.x anterior a 5.10.155. • http://www.openwall.com/lists/oss-security/2022/12/27/1 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.161&id=0f544353fec8e717d37724d95b92538e1de79e86 https://www.openwall.com/lists/oss-security/2022/12/22/2 • CWE-416: Use After Free •
CVSS: 7.5EPSS: 0%CPEs: 3EXPL: 0CVE-2022-47941 – Linux Kernel ksmbd Memory Exhaustion Denial-of-Service Vulnerability
https://notcve.org/view.php?id=CVE-2022-47941
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SMB2_NEGOTIATE commands. The issue results from the lack of memory release after its effective lifetime. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. • http://www.openwall.com/lists/oss-security/2022/12/23/10 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=aa7253c2393f6dcd6a1468b0792f6da76edad917 https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad917 https://www.zerodayinitiative.com/advisories/ZDI-22-1687 • CWE-401: Missing Release of Memory after Effective Lifetime •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2022-47942 – Linux Kernel ksmbd Heap-based Buffer Overflow Remote Code Execution Vulnerability
https://notcve.org/view.php?id=CVE-2022-47942
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command. Se descubrió un problema en ksmbd en el kernel de Linux 5.15 a 5.19 anterior a 5.19.2. Hay un desbordamiento de búfer en la región Heap de la memoria en set_ntacl_dacl, relacionado con el uso de SMB2_QUERY_INFO_HE después de un comando SMB2_SET_INFO_HE con formato incorrecto. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Linux Kernel. • http://www.openwall.com/lists/oss-security/2022/12/23/10 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7 https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7 https://www.zerodayinitiative.com/advisories/ZDI-22-1688 • CWE-787: Out-of-bounds Write •