CVE-2022-47940

CVE-2022-47940 affects ksmbd in the Linux kernel (versions 5.15–5.18 before 5.18.18). The issue is a missing length validation in the non-padding path of smb2_write (fs/ksmbd/smb2pdu.c), as disclosed in connected advisories. Exploitation details are not provided in the documents beyond this root ...

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 smb2handlenegotiate error conditions, aka a memory leak...

CVE-2022-47938

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2TREECONNECT...

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 smb2write...

CVE-2022-47939

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2TREEDISCONNECT...

CVE-2022-47939

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2TREEDISCONNECT...

Linux kernel 缓冲区错误漏洞

The Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which stems from an issue discovered in ksmbd, where SMB2WRITE suffers from out-of-bounds reads and OOPS in the presence of large lengths with zer...

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 smb2handlenegotiate error conditions, aka a memory leak...

CVE-2022-47938

Technical details are not publicly provided in the supplied documents. CVE-2022-47938 concerns ksmbd in the Linux kernel 5.15–5.19 before 5.19.2, with an out-of-bounds read during SMB2_TREE_CONNECT; monitor for updates.

CVE-2022-47941

The CVE-2022-47941 issue affects ksmbd in Linux kernels 5.15–5.19 prior to 5.19.2. The root cause is a missing kfree in smb2pdu error paths in fs/ksmbd/smb2pdu.c, causing a memory leak. Impact is availability concerns due to memory leaks; no confidentiality or integrity impact stated. Affected ve...

CVE-2022-47943

Summary: CVE-2022-47943 affects the ksmbd component of the Linux kernel (versions 5.15–5.19 before 5.19.2). The flaw is an out-of-bounds read that can trigger an OOPS when handling SMB2_WRITE with a large length in the zero DataOffset case. Impact (as stated): potential kernel crash/denial of ser...

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 SMB2WRITE, when there is a large length in the zero DataOffset case...

CVE-2022-47939

CVE-2022-47939 affects ksmbd in Linux kernel 5.15–5.19 (before 5.19.2). The issue is a use-after-free in fs/ksmbd/smb2pdu.c that can trigger an OOPS when handling SMB2_TREE_DISCONNECT. A fix was released with Linux kernel 5.19.2 (and later). Affected distributions referenced in Connected sources ...

CVE-2022-47942

CVE-2022-47942 affects ksmbd in Linux kernels 5.15–5.19 before 5.19.2. The issue is a heap-based buffer overflow in set_ntacl_dacl triggered by use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE, potentially exposing memory corruption paths. Public references confirm the vulnerability a...

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 smb2write...

CVE-2022-47938

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2TREECONNECT...

CVE-2022-47939

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2TREEDISCONNECT...

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 smb2write...

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 SMB2WRITE, when there is a large length in the zero DataOffset case...

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 setntacldacl, related to use of SMB2QUERYINFOHE after a malformed SMB2SETINFOHE command...