In the Linux kernel, the following vulnerability has been resolved:
mm, thp: bail out early in collapse_file for writeback page
Currently collapse_file does not explicitly check PG_writeback, instead, page_has_private and try_to_release_page are used to filter writeback pages. This does not work for xfs with blocksize equal to or larger than pagesize, because in such case xfs has no page->private.
This makes collapse_file bail out early for writeback page. Otherwise, xfs end_page_writeback will panic as follows.
page:fffffe00201bcc80 refcount:0 mapcount:0 mapping:ffff0003f88c86a8 index:0x0 pfn:0x84ef32 aops:xfs_address_space_operations [xfs] ino:30000b7 dentry name:"libtest.so" flags: 0x57fffe0000008027(locked|referenced|uptodate|active|writeback) raw: 57fffe0000008027 ffff80001b48bc28 ffff80001b48bc28 ffff0003f88c86a8 raw: 0000000000000000 0000000000000000 00000000ffffffff ffff0000c3e9a000 page dumped because: VM_BUG_ON_PAGE(((unsigned int) page_ref_count(page) + 127u <= 127u)) page->mem_cgroup:ffff0000c3e9a000 ------------[ cut here ]------------ kernel BUG at include/linux/mm.h:1212! Internal error: Oops - BUG: 0 [#1] SMP Modules linked in: BUG: Bad page state in process khugepaged pfn:84ef32 xfs(E) page:fffffe00201bcc80 refcount:0 mapcount:0 mapping:0 index:0x0 pfn:0x84ef32 libcrc32c(E) rfkill(E) aes_ce_blk(E) crypto_simd(E) ... CPU: 25 PID: 0 Comm: swapper/25 Kdump: loaded Tainted: ... pstate: 60400005 (nZCv daif +PAN -UAO -TCO BTYPE=--) Call trace: end_page_writeback+0x1c0/0x214 iomap_finish_page_writeback+0x13c/0x204 iomap_finish_ioend+0xe8/0x19c iomap_writepage_end_bio+0x38/0x50 bio_endio+0x168/0x1ec blk_update_request+0x278/0x3f0 blk_mq_end_request+0x34/0x15c virtblk_request_done+0x38/0x74 [virtio_blk] blk_done_softirq+0xc4/0x110 __do_softirq+0x128/0x38c __irq_exit_rcu+0x118/0x150 irq_exit+0x1c/0x30 __handle_domain_irq+0x8c/0xf0 gic_handle_irq+0x84/0x108 el1_irq+0xcc/0x180 arch_cpu_idle+0x18/0x40 default_idle_call+0x4c/0x1a0 cpuidle_idle_call+0x168/0x1e0 do_idle+0xb4/0x104 cpu_startup_entry+0x30/0x9c secondary_start_kernel+0x104/0x180 Code: d4210000 b0006161 910c8021 94013f4d (d4210000) ---[ end trace 4a88c6a074082f8c ]--- Kernel panic - not syncing: Oops - BUG: Fatal exception in interrupt
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade kernel-headersUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-develUpgrade kernel-tools-develUpgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade python-perf-debuginfoUpgrade python-perfUpgrade kernel-toolsUpgrade perf-debuginfoUpgrade bpftool-debuginfoUpgrade perfUpgrade kernel-debuginfo-common-aarch64Upgrade bpftoolUpgrade kernel-livepatch-5.10.82-83.359 | May 22, 2025 | May 22, 2024 |
| Debian | — | Upgrade linux | Jul 30, 2024 | May 22, 2024 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 22, 2024 |
| Suse | — | Upgrade kernel-rt-vdsoUpgrade kernel-rt-develUpgrade kernel-obs-buildUpgrade ocfs2-kmp-azureUpgrade kernel-rt_debug-livepatch-develUpgrade dlm-kmp-rtUpgrade kernel-debug-vdsoUpgrade dtb-nvidiaUpgrade kernel-default-base-rebuildUpgrade kernel-syms-rtUpgrade kernel-source-vanillaUpgrade kernel-64kb-extraUpgrade cluster-md-kmp-64kbUpgrade kernel-rt_debugUpgrade kernel-docsUpgrade dtb-renesasUpgrade kernel-azureUpgrade dtb-allwinnerUpgrade kselftests-kmp-defaultUpgrade reiserfs-kmp-defaultUpgrade reiserfs-kmp-azureUpgrade dtb-armUpgrade reiserfs-kmp-rtUpgrade kernel-rt_debug-vdsoUpgrade dlm-kmp-azureUpgrade kernel-defaultUpgrade kernel-default-baseUpgrade dlm-kmp-defaultUpgrade kernel-rt-extraUpgrade dtb-xilinxUpgrade kernel-azure-vdsoUpgrade kernel-default-livepatch-develUpgrade dtb-mediatekUpgrade dtb-socionextUpgrade kernel-devel-rtUpgrade kernel-rt-livepatch-develUpgrade kselftests-kmp-rtUpgrade kernel-debug-livepatch-develUpgrade dtb-sprdUpgrade gfs2-kmp-defaultUpgrade cluster-md-kmp-defaultUpgrade dtb-rockchipUpgrade kernel-kvmsmall-develUpgrade kselftests-kmp-azureUpgrade cluster-md-kmp-azureUpgrade kernel-default-vdsoUpgrade kernel-64kb-livepatch-develUpgrade kernel-rt_debug-develUpgrade reiserfs-kmp-64kbUpgrade kernel-64kb-optionalUpgrade dtb-amlogicUpgrade kernel-syms-azureUpgrade dtb-marvellUpgrade dtb-alteraUpgrade kernel-azure-develUpgrade ocfs2-kmp-64kbUpgrade kernel-sourceUpgrade dtb-apmUpgrade kernel-source-rtUpgrade ocfs2-kmp-defaultUpgrade kernel-azure-optionalUpgrade gfs2-kmp-azureUpgrade kernel-default-extraUpgrade dtb-amazonUpgrade kernel-rtUpgrade kernel-default-develUpgrade kernel-rt-optionalUpgrade kernel-symsUpgrade kernel-debugUpgrade gfs2-kmp-rtUpgrade kernel-source-azureUpgrade kernel-develUpgrade kernel-azure-extraUpgrade dtb-qcomUpgrade kernel-kvmsmall-vdsoUpgrade dtb-exynosUpgrade kernel-kvmsmall-livepatch-develUpgrade kernel-zfcpdumpUpgrade kernel-docs-htmlUpgrade kernel-default-optionalUpgrade kernel-kvmsmallUpgrade dtb-freescaleUpgrade gfs2-kmp-64kbUpgrade kernel-debug-develUpgrade dtb-broadcomUpgrade dtb-appleUpgrade dtb-hisiliconUpgrade kselftests-kmp-64kbUpgrade cluster-md-kmp-rtUpgrade dtb-caviumUpgrade ocfs2-kmp-rtUpgrade dtb-lgUpgrade kernel-64kb-develUpgrade dtb-amdUpgrade kernel-obs-qaUpgrade kernel-default-livepatchUpgrade kernel-azure-livepatch-develUpgrade kernel-macrosUpgrade kernel-devel-azureUpgrade kernel-64kbUpgrade dlm-kmp-64kbUpgrade kernel-rt-livepatch | Aug 9, 2024 | May 22, 2024 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | May 22, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 22, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub