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Vulnerability · Published Oct 21, 2024 · Assigned by Linux

CVE-2024-49887f2fs: fix to don't panic system for no free segment fault injection

Medium 5.5

In plain English

A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 82.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.11.4-1DEBIAN-CVE-2024-49887
Debian:14linux6.11.4-1DEBIAN-CVE-2024-49887
Ubuntu:24.04:LTSlinux6.8.0-64.67USN-7651-1
Ubuntu:24.04:LTSlinux6.8.0-64.67UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-aws6.8.0-1032.34UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-aws6.8.0-1032.34USN-7651-1
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1032.34~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-aws-6.86.8.0-1032.34~22.04.1USN-7651-3
Ubuntu:24.04:LTSlinux-azure6.8.0-1034.39UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-azure6.8.0-1034.39USN-7737-1
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-azure-6.116.11.0-1012.12~24.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1034.39~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-azure-6.86.8.0-1034.39~22.04.1USN-7737-1
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1022.23USN-7737-1
Ubuntu:24.04:LTSlinux-azure-nvidia6.8.0-1022.23UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-gcp6.8.0-1033.35UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-gcp6.8.0-1033.35USN-7651-4
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-gcp-6.116.11.0-1011.11~24.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1033.35~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-gcp-6.86.8.0-1033.35~22.04.1USN-7651-4
Ubuntu:24.04:LTSlinux-gke6.8.0-1028.32USN-7651-3
Ubuntu:24.04:LTSlinux-gke6.8.0-1028.32UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1015.17UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-gkeop6.8.0-1015.17USN-7651-3
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-64.67~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-hwe-6.86.8.0-64.67~22.04.1USN-7653-1
Ubuntu:24.04:LTSlinux-ibm6.8.0-1029.29UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-ibm6.8.0-1029.29USN-7651-2
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1029.29~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-ibm-6.86.8.0-1029.29~22.04.1USN-7651-2
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-64.67.1UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-lowlatency6.8.0-64.67.1USN-7651-2
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-64.67.1~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.86.8.0-64.67.1~22.04.1USN-7651-2
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1031.34USN-7651-3
Ubuntu:24.04:LTSlinux-nvidia6.8.0-1031.34UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-nvidia-6.116.11.0-1007.7UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1031.34~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-nvidia-6.86.8.0-1031.34~22.04.1USN-7651-3
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1031.34.1USN-7651-3
Ubuntu:24.04:LTSlinux-nvidia-lowlatency6.8.0-1031.34.1UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1008.8UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-oem-6.116.11.0-1015.15UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1031.31UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-oem-6.86.8.0-1031.31USN-7651-1
Ubuntu:24.04:LTSlinux-oracle6.8.0-1029.30USN-7651-3
Ubuntu:24.04:LTSlinux-oracle6.8.0-1029.30UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1029.30~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-oracle-6.86.8.0-1029.30~22.04.1USN-7651-3
Ubuntu:24.04:LTSlinux-raspi6.8.0-1031.35USN-7651-6
Ubuntu:24.04:LTSlinux-raspi6.8.0-1031.35UBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-49887
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-riscv-6.86.8.0-64.67~22.04.1UBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-49887
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2024-49887

Affected products (as reported)

VendorProductVersions
Linux Linux 8b10d3653735e117bc1954ade80d75ad7b46b801 – before 9f6e7a0512a57387d36f5e9e9635d6668cac13dd8b10d3653735e117bc1954ade80d75ad7b46b801 – before 645ec43760e86d3079fee2e8b51fde7060a540d08b10d3653735e117bc1954ade80d75ad7b46b801 – before 65a6ce4726c27b45600303f06496fef46d00b57f
Linux Linux 6.9

References