CVE-2023-53247

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2022-50300

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

DEBIAN-CVE-2022-50300

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

CVE-2022-50293

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON on ENOMEM when dropping extent items for a range If we get -ENOMEM while dropping file extent items in a given range, at btrfsdropextents, due to failure to allocate memory when attempting to increment the...

DEBIAN-CVE-2022-50293

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON on ENOMEM when dropping extent items for a range If we get -ENOMEM while dropping file extent items in a given range, at btrfsdropextents, due to failure to allocate memory when attempting to increment the...

UBUNTU-CVE-2023-53247

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

UBUNTU-CVE-2022-50293

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUGON on ENOMEM when dropping extent items for a range If we get -ENOMEM while dropping file extent items in a given range, at btrfsdropextents, due to failure to allocate memory when attempting to increment the...

UBUNTU-CVE-2022-50300

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

UBUNTU-CVE-2023-53243

In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofile expect it to return exactly one allocation profile flag, and failing to do so may ultimately result in a WARNON and remount-ro whe...

CVE-2023-53247 btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2023-53247 btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2023-53247 btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand

In the Linux kernel, the following vulnerability has been resolved: btrfs: setpageextentmapped after readfolio in btrfscontexpand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePrivatepage && page-private, in...

CVE-2023-53243 btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile

In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofile expect it to return exactly one allocation profile flag, and failing to do so may ultimately result in a WARNON and remount-ro whe...

CVE-2023-53243 btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile

In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofile expect it to return exactly one allocation profile flag, and failing to do so may ultimately result in a WARNON and remount-ro whe...

CVE-2023-53243

CVE-2023-53243 : In the Linux kernel’s btrfs code, the function btrfs_reduce_alloc_profile was not updated to include new allocation flags (DUP, RAID1C34); it can return multiple flags when blocks have mixed/unknown profiles, risking a WARN_ON and a remount-ro during new block allocations. The is...

CVE-2023-53243 btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile

In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofile expect it to return exactly one allocation profile flag, and failing to do so may ultimately result in a WARNON and remount-ro whe...

CVE-2022-50300

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

CVE-2022-50300 btrfs: fix extent map use-after-free when handling missing device in read_one_chunk

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

CVE-2022-50300 btrfs: fix extent map use-after-free when handling missing device in read_one_chunk

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

CVE-2022-50300

CVE-2022-50300 affects the Linux kernel's btrfs code, where an extent_map use-after-free can occur in read_one_chunk when handling a missing device and the degraded mount option is absent. The root cause is freeing the extent_map before storing the error code, despite the structure being referenc...