cbcvebase.
CVE-2024-49903
published 2024-10-21

CVE-2024-49903: In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits [syzbot reported] BUG: KASAN: slab-use-after-free in…

PriorityP431high7CVSS 3.1
AVLACHPRLUINSUCHIHAH
EPSS
0.26%
17.1th percentile
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits [syzbot reported] BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [inline] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbFreeBits+0x7ea/0xd90 fs/jfs/jfs_dmap.c:2390 dbFreeDmap fs/jfs/jfs_dmap.c:2089 [inline] dbFree+0x35b/0x680 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x8a9/0xa20 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x433/0x670 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x2d0/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 Freed by task 5218: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2252 [inline] slab_free mm/slub.c:4473 [inline] kfree+0x149/0x360 mm/slub.c:4594 dbUnmount+0x11d/0x190 fs/jfs/jfs_dmap.c:278 jfs_mount_rw+0x4ac/0x6a0 fs/jfs/jfs_mount.c:247 jfs_remount+0x3d1/0x6b0 fs/jfs/super.c:454 reconfigure_super+0x445/0x880 fs/supe

Affected

34 ranges· showing 25
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.115-1 (bookworm)linux 6.1.115-1 (bookworm)
debianlinux-6.1< linux 6.1.115-1 (bookworm)linux 6.1.115-1 (bookworm)
linuxlinux
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < 4ac58f7734937f3249da734ede946dfb3b1af5e44ac58f7734937f3249da734ede946dfb3b1af5e4
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < 3126ccde51f51b0648c8cdccaf916e8bd062e9723126ccde51f51b0648c8cdccaf916e8bd062e972
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < fd026b6b6758d5569705c02540b40f3bbf822b9afd026b6b6758d5569705c02540b40f3bbf822b9a
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < e7ae14f7ee76c6ef5a48aebab1a278ad78f42619e7ae14f7ee76c6ef5a48aebab1a278ad78f42619
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < 0c238da83f56bb895cab1e5851d034ac45b158d10c238da83f56bb895cab1e5851d034ac45b158d1
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < 4218b31ecc7af7e191768d32e32ed4386d8f9b764218b31ecc7af7e191768d32e32ed4386d8f9b76
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < a9603a6f75df2fd8125cd208c98cfaa0fe3f7505a9603a6f75df2fd8125cd208c98cfaa0fe3f7505
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < 95accb7183badca387f7a8d19a2475cf3089f14895accb7183badca387f7a8d19a2475cf3089f148
linuxlinux>= b40c2e665cd552eae5fbdbb878bc29a34357668e < d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234d6c1b3599b2feb5c7291f5ac3a36e5fa7cedb234
linuxlinux_kernel< 5.10.2275.10.227
linuxlinux_kernel>= 0 < 5.10.234-15.10.234-1
linuxlinux_kernel>= 0 < 6.1.115-16.1.115-1
linuxlinux_kernel>= 0 < 6.11.4-16.11.4-1
linuxlinux_kernel>= 0 < 6.11.4-16.11.4-1
linuxlinux_kernel>= 0 < 5.4.0-208.2285.4.0-208.228
linuxlinux_kernel>= 0 < 5.15.0-127.1375.15.0-127.137
linuxlinux_kernel>= 0 < 6.8.0-54.566.8.0-54.56
linuxlinux_kernel>= 0 < 6.11.0-18.186.11.0-18.18
linuxlinux_kernel>= 5.11 < 5.15.1685.15.168
linuxlinux_kernel>= 5.16 < 6.1.1136.1.113
linuxlinux_kernel>= 6.11 < 6.11.36.11.3
linuxlinux_kernel>= 6.2 < 6.6.556.6.55

CVSS provenance

nvdv3.17.0HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian7.0HIGH
vendor_msrc7.0HIGH
vendor_redhat7.0HIGH
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