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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2024-42273

f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid

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Status
Published
Published
Updated
Assigning organization
Linux

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid mkdir /mnt/test/comp f2fs_io setflags compression /mnt/test/comp dd if=/dev/zero of=/mnt/test/comp/testfile bs=16k count=1 truncate --size 13 /mnt/test/comp/testfile In the above scenario, we can get a BUG_ON. kernel BUG at fs/f2fs/segment.c:3589! Call Trace: do_write_page+0x78/0x390 [f2fs] f2fs_outplace_write_data+0x62/0xb0 [f2fs] f2fs_do_write_data_page+0x275/0x740 [f2fs] f2fs_write_single_data_page+0x1dc/0x8f0 [f2fs] f2fs_write_multi_pages+0x1e5/0xae0 [f2fs] f2fs_write_cache_pages+0xab1/0xc60 [f2fs] f2fs_write_data_pages+0x2d8/0x330 [f2fs] do_writepages+0xcf/0x270 __writeback_single_inode+0x44/0x350 writeback_sb_inodes+0x242/0x530 __writeback_inodes_wb+0x54/0xf0 wb_writeback+0x192/0x310 wb_workfn+0x30d/0x400 The reason is we gave CURSEG_ALL_DATA_ATGC to COMPR_ADDR where the page was set the gcing flag by set_cluster_dirty().

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 7c972c89457511007dfc933814c06786905e515c to < 5fd057160ab240dd816ae09b625395d54c297de1affected
  • 417b8a91f4e8831cadaf85c3f15c6991c1f54dde to < 4239571c5db46a42f723b8fa8394039187c34439affected
  • 4961acdd65c956e97c1a000c82d91a8c1cdbe44b to < 0cd106612396656d6f1ca17ef192c6759bb60791affected
  • 4961acdd65c956e97c1a000c82d91a8c1cdbe44b to < 8cb1f4080dd91c6e6b01dbea013a3f42341cb6a1affected
  • 7ea0f29d9fd84905051be020c0df7d557e286136affected
  • b8094c0f1aae329b1c60a275a780d6c2c9ff7aa3affected
  • 6.1.77 to < 6.1.104affected
  • 6.6.16 to < 6.6.45affected
  • 5.15.149 to < 5.16affected
  • 6.7.4 to < 6.8affected

Linux Linux

Default version status: affected

  • 6.8affected
  • 0 to < 6.8unaffected
  • 6.1.104 to ≤ 6.1.*unaffected
  • 6.6.45 to ≤ 6.6.*unaffected
  • 6.10.4 to ≤ 6.10.*unaffected
  • 6.11 to ≤ *unaffected

References