CVE-2024-41057 cachefiles: fix slab-use-after-free in cachefiles_withdraw_cookie()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefileswithdrawcookie We got the following issue in our fault injection stress test: ================================================================== BUG: KASAN: slab-use-after-free in...

CVE-2024-41051 cachefiles: wait for ondemand_object_worker to finish when dropping object

In the Linux kernel, the following vulnerability has been resolved: cachefiles: wait for ondemandobjectworker to finish when dropping object When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read request is...

CVE-2024-41051

CVE-2024-41051 affects the Linux kernel cachefiles subsystem. When queuing ondemand_object_worker() to reopen an object, cachefiles_object may be freed if the related erofs is unmounted, causing a use-after-free if ondemand_object_worker() runs after object free. The fix requires canceling or wai...

CVE-2024-41051 cachefiles: wait for ondemand_object_worker to finish when dropping object

In the Linux kernel, the following vulnerability has been resolved: cachefiles: wait for ondemandobjectworker to finish when dropping object When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read request is...

CVE-2024-41051 cachefiles: wait for ondemand_object_worker to finish when dropping object

In the Linux kernel, the following vulnerability has been resolved: cachefiles: wait for ondemandobjectworker to finish when dropping object When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read request is...

CVE-2024-41050 cachefiles: cyclic allocation of msg_id to avoid reuse

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

CVE-2024-41050 cachefiles: cyclic allocation of msg_id to avoid reuse

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

CVE-2024-41050

CVE-2024-41050 (Linux kernel) affects the cachefiles subsystem, specifically the ondemand path handling of object reopening. The vulnerability arises from cyclic re-use of msg_id after a malicious reopen, which can cause a read request to remain unprocessed and lead to a hang. The root cause is r...

CVE-2024-41050 cachefiles: cyclic allocation of msg_id to avoid reuse

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

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 the fact that when using the cachefileswithdrawcookie function, the fscachevolume may have been released but...

CVE-2024-41075: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: cachefiles: add consistency check for copen/cread This prevents malicious processes from completing random copen/cread requests and crashing the system. Added checks are listed below: Generic, copen can only complete open request...

CVE-2024-41074: Use After Free

In the Linux kernel, the following vulnerability has been resolved: cachefiles: Set object to close if ondemandid 0 in copen If copen is maliciously called in the user mode, it may delete the request corresponding to the random id. And the request may have not been read yet. Note that when the...

CVE-2024-41058: Use After Free

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in fscachewithdrawvolume We got the following issue in our fault injection stress test: ================================================================== BUG: KASAN: slab-use-after-free in...

CVE-2024-41057: Use After Free

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefileswithdrawcookie We got the following issue in our fault injection stress test: ================================================================== BUG: KASAN: slab-use-after-free in...

CVE-2024-41051: Use After Free

In the Linux kernel, the following vulnerability has been resolved: cachefiles: wait for ondemandobjectworker to finish when dropping object When queuing ondemandobjectworker to re-open the object, cachefilesobject is not pinned. The cachefilesobject may be freed when the pending read request is...

CVE-2024-41050: Use After Free

In the Linux kernel, the following vulnerability has been resolved: cachefiles: cyclic allocation of msgid to avoid reuse Reusing the msgid after a maliciously completed reopen request may cause a read request to remain unprocessed and result in a hung, as shown below: t1 | t2 | t3...

PT-2024-32165

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns the Linux kernel, where the maximum size of a subrequest that writes to cachefiles has been set to MAX RW COUNT. This change prevents overrunning the maximum write tha...

PT-2024-29806

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the cachefiles component of the Linux kernel, where a missing lock protection in the poll routine when iterating xarray can lead to a denial of service. Even with...

CVE-2024-40935

In the Linux kernel, the following vulnerability has been resolved: cachefiles: flush all requests after setting CACHEFILESDEAD In ondemand mode, when the daemon is processing an open request, if the kernel flags the cache as CACHEFILESDEAD, the cachefilesdaemonwrite will always return -EIO, so t...

CVE-2024-40913

A vulnerability was found in the Linux kernel's cachefiles component, regarding the handling of anonymous file descriptors. This issue occurs when an anonymous fd is exposed to userland before confirming the success of the copytouser operation, which can lead to a use-after-free condition...