UBUNTU-CVE-2023-54203

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

UBUNTU-CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2023-54203

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2022-50859

CVE-2022-50859 : Linux kernel CIFS: fix for the error length of VALIDATE_NEGOTIATE_INFO message. The fix shortens the message from 28 bytes to 26 bytes by correcting the extended-dialect length after adding smb3.1.1 to the default dialect list. Root cause: after extending the dialects from 3 to 4...

CVE-2022-50859 cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50859 cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2023-54203 ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

CVE-2023-54203 ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an incorrect length of the VALIDATENEGOTIATEINFO message, which could lead to information disclosure...

PT-2025-54032

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.21 3 Description The Linux kernel contains a flaw within the ksmbd module, specifically in the init smb2 rsp hdr function. This issue manifests as a slab-out-of-bounds write when an SMB1 mount operation fails...

CVE-2023-54203: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

Linux Distros Unpatched Vulnerability : CVE-2025-39929

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on...

curl: OpenSSL backend: X509 peer certificate not freed in ossl_get_channel_binding causes per-request memory leak (DoS risk for long-lived clients)

Summary: In curl’s OpenSSL backend, osslgetchannelbinding retains a new reference to the server’s X509 certificate via SSLget1peercertificate and never releases it. When Negotiate SPNEGO over TLS is in use, this path is invoked and leaks one X509 object per trigger. Over many requests in a...

SUSE CVE-2025-39929

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on kmemcacheshutdown...

CVE-2025-39929

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on kmemcacheshutdown...

AZL-68132 CVE-2025-39929 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on kmemcacheshutdown...

CVE-2025-39929 smb: client: fix smbdirect_recv_io leak in smbd_negotiate() error path

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix smbdirectrecvio leak in smbdnegotiate error path During tests of another unrelated patch I was able to trigger this error: Objects remaining on kmemcacheshutdown...