Ubuntu: (Multiple Advisories) (CVE-2024-49887): Linux kernel vulnerabilities
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't panic system for no free segment fault injection f2fs: fix to don't panic system for no free segment fault injection syzbot reports a f2fs bug as below: F2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 F2FS-fs (loop0): Stopped filesystem due to reason: 7 ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2748! CPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Call Trace: __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline] f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195 f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799 f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903 vfs_fallocate+0x553/0x6c0 fs/open.c:334 do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886 __do_sys_ioctl fs/ioctl.c:905 [inline] __se_sys_ioctl+0x81/0x170 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 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 The root cause is when we inject no free segment fault into f2fs, we should not panic system, fix it.
Solution(s)
- ubuntu-upgrade-linux-image-6-11-0-1005-realtime
- ubuntu-upgrade-linux-image-6-11-0-1008-raspi
- ubuntu-upgrade-linux-image-6-11-0-1009-aws
- ubuntu-upgrade-linux-image-6-11-0-1009-azure
- ubuntu-upgrade-linux-image-6-11-0-1009-azure-fde
- ubuntu-upgrade-linux-image-6-11-0-1009-gcp
- ubuntu-upgrade-linux-image-6-11-0-1010-lowlatency
- ubuntu-upgrade-linux-image-6-11-0-1010-lowlatency-64k
- ubuntu-upgrade-linux-image-6-11-0-1011-oracle
- ubuntu-upgrade-linux-image-6-11-0-1011-oracle-64k
- ubuntu-upgrade-linux-image-6-11-0-1015-oem
- ubuntu-upgrade-linux-image-6-11-0-18-generic
- ubuntu-upgrade-linux-image-6-11-0-18-generic-64k
- ubuntu-upgrade-linux-image-aws
- ubuntu-upgrade-linux-image-azure
- ubuntu-upgrade-linux-image-azure-fde
- ubuntu-upgrade-linux-image-gcp
- ubuntu-upgrade-linux-image-generic
- ubuntu-upgrade-linux-image-generic-64k
- ubuntu-upgrade-linux-image-generic-64k-hwe-24-04
- ubuntu-upgrade-linux-image-generic-hwe-24-04
- ubuntu-upgrade-linux-image-lowlatency
- ubuntu-upgrade-linux-image-lowlatency-64k
- ubuntu-upgrade-linux-image-oem-24-04
- ubuntu-upgrade-linux-image-oem-24-04a
- ubuntu-upgrade-linux-image-oem-24-04b
- ubuntu-upgrade-linux-image-oracle
- ubuntu-upgrade-linux-image-oracle-64k
- ubuntu-upgrade-linux-image-raspi
- ubuntu-upgrade-linux-image-realtime
- ubuntu-upgrade-linux-image-realtime-hwe-24-04
- ubuntu-upgrade-linux-image-virtual
- ubuntu-upgrade-linux-image-virtual-hwe-24-04
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