PT-2024-3374 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.7.0 Description: The issue is related to a use-after-free problem in the f2fs filemap fault function. This occurs because vmf-vma may not be alive after filemap fault, potentially causing a use-after-free issu...

SUSE CVE-2021-47072

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix removed dentries still existing after log is synced When we move one inode from one directory to another and both the inode and its previous parent directory were logged before, we are not supposed to have the dentry f...

DEBIAN-CVE-2021-47096

In the Linux kernel, the following vulnerability has been resolved: ALSA: rawmidi - fix the uninitalized userpversion The userpversion was uninitialized for the user space file structure in the open function, because the file private structure use kmalloc for the allocation. The kernel ALSA...

CVE-2021-47069

A flaw was found in the Linux kernel’s IPC system. This flaw allows an attacker to use a specially crafted program to cause a rare race condition, leading to a denial of service. Mitigation Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to...

UBUNTU-CVE-2023-52577

In the Linux kernel, the following vulnerability has been resolved: dccp: fix dccpv4err/dccpv6err again dh-dccphx is the 9th byte offset 8 in "struct dccphdr", not in the "byte 7" as Jann claimed. We need to make sure the ICMP messages are big enough, using more standard ways no more assumptions...

UBUNTU-CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...

DEBIAN-CVE-2020-36783

In the Linux kernel, the following vulnerability has been resolved: i2c: img-scb: fix reference leak when pmruntimegetsync fails The PM reference count is not expected to be incremented on return in functions imgi2cxfer and imgi2cinit. However, pmruntimegetsync will increment the PM reference cou...

CVE-2021-46952

In the Linux kernel, the following vulnerability has been resolved: NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds Fix shift out-of-bounds in xprtcalcmajortimeo. This is caused by a garbage timeout retrans mount option being passed to nfs mount, in this case from syzkaller. I...

UBUNTU-CVE-2021-46958

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between transaction aborts and fsyncs leading to use-after-free There is a race between a task aborting a transaction during a commit, a task doing an fsync and the transaction kthread, which leads to an...

CVE-2019-25162

In the Linux kernel, the following vulnerability has been resolved: i2c: Fix a potential use after free Free the adap structure only after we are done using it. This patch just moves the putdevice down a bit to avoid the use after free. wsa: added comment to the code, added Fixes tag...

DEBIAN-CVE-2023-52467

In the Linux kernel, the following vulnerability has been resolved: mfd: syscon: Fix null pointer dereference in ofsysconregister kasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure...

CVE-2023-52471 ice: Fix some null pointer dereference issues in ice_ptp.c

In the Linux kernel, the following vulnerability has been resolved: ice: Fix some null pointer dereference issues in iceptp.c devmkasprintf returns a pointer to dynamically allocated memory which can be NULL upon failure...

SUSE CVE-2023-52447

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer the free of inner map when necessary When updating or deleting an inner map in map array or map htab, the map may still be accessed by non-sleepable program or sleepable program. However bpfmapfdputptr decreases the...

kernel: vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF

In the Linux kernel, the following vulnerability has been resolved: vcscreen: move load of struct vcdata pointer in vcsread to avoid UAF After a call to consoleunlock in vcsread the vcdata struct can be freed by vcdeallocate. Because of that, the struct vcdata pointer load must be done at the top...

kernel: scsi: iscsi_tcp: Fix UAF during logout when accessing the shost ipaddress

In the Linux kernel, the following vulnerability has been resolved: scsi: iscsitcp: Fix UAF during logout when accessing the shost ipaddress Bug report and analysis from Ding Hui. During iSCSI session logout, if another task accesses the shost ipaddress attr, we can get a KASAN UAF report like...

Important: kernel

Issue Overview: An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an iouring/fdinfo.c iouringshowfdinfo NULL pointer dereference can occur. CVE-2023-46862 When a router encounters an IPv6 packet too big to transmit to the next-hop, it returns an ICMP6...

kernel: mm/page_owner: use strscpy() instead of strlcpy()

In the Linux kernel, the following vulnerability has been resolved: mm/pageowner: use strscpy instead of strlcpy current-comm is not a string no guarantee for a zero byte in it. strlcpys1, s2, l is calling strlens2, potentially causing out-of-bound access, as reported by syzbot: detected buffer...

kernel: writeback: avoid use-after-free after removing device

In the Linux kernel, the following vulnerability has been resolved: writeback: avoid use-after-free after removing device When a disk is removed, bdiunregister gets called to stop further writeback and wait for associated delayed work to complete. However, wbinodewritebackend may schedule bandwid...

kernel: drm/vkms: Fix null-ptr-deref in vkms_release()

In the Linux kernel, the following vulnerability has been resolved: drm/vkms: Fix null-ptr-deref in vkmsrelease A null-ptr-deref is triggered when it tries to destroy the workqueue in vkms-output.composerworkq in vkmsrelease. KASAN: null-ptr-deref in range 0x0000000000000118-0x000000000000011f CP...

kernel: drm/i915: Avoid potential vm use-after-free

A flaw was found in the drm/i915 component of the Linux kernel. This vulnerability arises from a race condition where a virtual machine VM object is exposed to userspace before a necessary reference is acquired. A local attacker could exploit this timing issue to trigger a use-after-free error,...