Ubuntu 18.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6951-3)

"The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6951-3 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

SUSE CVE-2024-42266

In the Linux kernel, the following vulnerability has been resolved: btrfs: make cowfilerangeinline honor lockedpage on error The btrfs buffered write path runs through extentwritepage which has some tricky return value handling for writepagedelalloc. Specifically, when that returns 1, we exit, bu...

SUSE CVE-2024-42295

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle inconsistent state in nilfsbtnodecreateblock Syzbot reported that a buffer state inconsistency was detected in nilfsbtnodecreateblock, triggering a kernel bug. It is not appropriate to treat this inconsistency as a...

SUSE CVE-2024-42297

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevictinode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664...

SUSE CVE-2024-42300

In the Linux kernel, the following vulnerability has been resolved: erofs: fix race in zerofsgetgbuf In zerofsgetgbuf, the current task may be migrated to another CPU between zerofsgbufid and spinlock&gbuf-lock. Therefore, zerofsputgbuf will trigger the following issue which was found by stress...

SUSE CVE-2024-42304

In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this...

SUSE CVE-2024-43858

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix array-index-out-of-bounds in diFree...

DEBIAN-CVE-2024-43857

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null reference error when checking end of zone This patch fixes a potentially null pointer being accessed by isendzoneblkaddr that checks the last block of a zone when f2fs is mounted as a single device...

DEBIAN-CVE-2024-42311

In the Linux kernel, the following vulnerability has been resolved: hfs: fix to initialize fields of hfsinodeinfo after hfsallocinode Syzbot reports uninitialized value access issue as below: loop0: detected capacity change from 0 to 64 ===================================================== BUG:...

DEBIAN-CVE-2024-42315

In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential deadlock on exfatgetdentryset When accessing a file with more entries than ESMAXENTRYNUM, the bh-array is allocated in exfatgetentryset. The problem is that the bh-array is allocated with GFPKERNEL. It does n...

AZL-49746 CVE-2024-42297 affecting package kernel for versions less than 5.15.167.1-1

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevictinode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664...

DEBIAN-CVE-2024-42306

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid using corrupted block bitmap buffer When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap...

DEBIAN-CVE-2024-42297

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevictinode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664...

CVE-2024-42297

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't dirty inode for readonly filesystem syzbot reports f2fs bug as below: kernel BUG at fs/f2fs/inode.c:933! RIP: 0010:f2fsevictinode+0x1576/0x1590 fs/f2fs/inode.c:933 Call Trace: evict+0x2a4/0x620 fs/inode.c:664...

DEBIAN-CVE-2024-42295

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle inconsistent state in nilfsbtnodecreateblock Syzbot reported that a buffer state inconsistency was detected in nilfsbtnodecreateblock, triggering a kernel bug. It is not appropriate to treat this inconsistency as a...

UBUNTU-CVE-2024-42304

In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this...

UBUNTU-CVE-2024-42315

In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential deadlock on exfatgetdentryset When accessing a file with more entries than ESMAXENTRYNUM, the bh-array is allocated in exfatgetentryset. The problem is that the bh-array is allocated with GFPKERNEL. It does n...

CVE-2024-42295

In the Linux kernel, the following vulnerability has been resolved: nilfs2: handle inconsistent state in nilfsbtnodecreateblock Syzbot reported that a buffer state inconsistency was detected in nilfsbtnodecreateblock, triggering a kernel bug. It is not appropriate to treat this inconsistency as a...

UBUNTU-CVE-2024-42306

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid using corrupted block bitmap buffer When the filesystem block bitmap is corrupted, we detect the corruption while loading the bitmap and fail the allocation with error. However the next allocation from the same bitmap...

CVE-2024-42304

In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this...