UBUNTU-CVE-2023-53262

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix scheduling while atomic in decompression path 16.945668 C0 Call trace: 16.945678 C0 dumpbacktrace+0x110/0x204 16.945706 C0 dumpstacklvl+0x84/0xbc 16.945735 C0 schedulebug+0xb8/0x1ac 16.945756 C0 schedule+0x724/0xbdc...

UBUNTU-CVE-2022-50313

In the Linux kernel, the following vulnerability has been resolved: erofs: fix order = MAXORDER warning due to crafted negative isize As syzbot reported 1, the root cause is that isize field is a signed type, and negative isize is also less than EROFSBLKSIZ. As a consequence, it's handled as fast...

UBUNTU-CVE-2022-50286

In the Linux kernel, the following vulnerability has been resolved: ext4: fix delayed allocation bug in ext4clumapped for bigalloc + inline When converting files with inline data to extents, delayed allocations made on a file system created with both the bigalloc and inline options can result in...

UBUNTU-CVE-2023-53260

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

CVE-2022-50335 9p: set req refcount to zero to avoid uninitialized usage

In the Linux kernel, the following vulnerability has been resolved: 9p: set req refcount to zero to avoid uninitialized usage When a new request is allocated, the refcount will be zero if it is reused, but if the request is newly allocated from slab, it is not fully initialized before being added...

CVE-2022-50334 hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

CVE-2023-53262 f2fs: fix scheduling while atomic in decompression path

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix scheduling while atomic in decompression path 16.945668 C0 Call trace: 16.945678 C0 dumpbacktrace+0x110/0x204 16.945706 C0 dumpstacklvl+0x84/0xbc 16.945735 C0 schedulebug+0xb8/0x1ac 16.945756 C0 schedule+0x724/0xbdc...

CVE-2023-53260 ovl: fix null pointer dereference in ovl_permission()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

CVE-2022-50306 ext4: fix potential out of bound read in ext4_fc_replay_scan()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential out of bound read in ext4fcreplayscan For scan loop must ensure that at least EXT4FCTAGBASELEN space. If remain space less than EXT4FCTAGBASELEN which will lead to out of bound read when mounting corrupt file...

CVE-2023-53231 erofs: Fix detection of atomic context

In the Linux kernel, the following vulnerability has been resolved: erofs: Fix detection of atomic context Current check for atomic context is not sufficient as zerofsdecompressqueueendio can be called under rcu lock from blkmqflushpluglist. See the stacktrace 1 In such case we should hand off th...

CVE-2023-53217 nubus: Partially revert proc_create_single_data() conversion

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proccreatesingledata conversion The conversion to proccreatesingledata introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: grep -r . /proc/bus/nubus/e/ Data read fault...

CVE-2023-53217

Summary (CVE-2023-53217): Linux kernel vulnerability affecting the nubus subsystem where reading files under /proc/bus/nubus could segfault. The issue stems from a regression introduced during the conversion of proc_create_single_data() usage, making single_open() calls with nubus_proc_rsrc_show(...

CVE-2022-50284 ipc: fix memory leak in init_mqueue_fs()

In the Linux kernel, the following vulnerability has been resolved: ipc: fix memory leak in initmqueuefs When setupmqsysctls failed in initmqueuefs, mqueueinodecachep is not released. In order to fix this issue, the release path is reordered...

CVE-2022-50277 ext4: don't allow journal inode to have encrypt flag

In the Linux kernel, the following vulnerability has been resolved: ext4: don't allow journal inode to have encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the 'inlinecrypt' mount option is used. The problem is tha...

CVE-2023-53183

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority...

CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

DEBIAN-CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

AZL-70771 CVE-2023-53149 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...

UBUNTU-CVE-2023-53163

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: don't hold nilock when calling truncatesetsize syzbot is reporting hung task at douseraddrfault 1, for there is a silent deadlock between PGlocked bit and nilock lock. Since filemapupdatepage calls filemapreadfolio afte...

UBUNTU-CVE-2023-53149

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid deadlock in fs reclaim with page writeback Ext4 has a filesystem wide lock protecting ext4writepages calls to avoid races with switching of journalled data flag or inode format. This lock can however cause a deadlock...