CVE-2022-50009— Linux kernel 安全漏洞
Possible ATT&CK Techniques 1AI
T1499.002 · Service Exhaustion FloodAffected Version Matrix 8
| ベンダー | プロダクト | Version Range | ステータス |
|---|---|---|---|
| Linux | Linux | 98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 0f63e33eca6fa29a11c76fa31db5fe1cada5ad6e | affected |
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 7000ad53ec1b17bd2fac76984b7b0c663755cbb7 | affected | ||
98e4da8ca301e062d79ae168c67e56f3c3de3ce4< 4a2c5b7994960fac29cf8a3f4e62855bae1b27d4 | affected | ||
3.8 | affected | ||
< 3.8 | unaffected | ||
5.18.18≤ 5.18.* | unaffected | ||
5.19.4≤ 5.19.* | unaffected | ||
6.0≤ * | unaffected |
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I. CVE-2022-50009の基本情報
脆弱性情報
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脆弱性タイトル
f2fs: fix null-ptr-deref in f2fs_get_dnode_of_data
ソース: NVD (National Vulnerability Database)
脆弱性説明
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null-ptr-deref in f2fs_get_dnode_of_data There is issue as follows when test f2fs atomic write: F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop0): invalid crc_offset: 0 F2FS-fs (loop0): f2fs_check_nid_range: out-of-range nid=1, run fsck to fix. F2FS-fs (loop0): f2fs_check_nid_range: out-of-range nid=2, run fsck to fix. ================================================================== BUG: KASAN: null-ptr-deref in f2fs_get_dnode_of_data+0xac/0x16d0 Read of size 8 at addr 0000000000000028 by task rep/1990 CPU: 4 PID: 1990 Comm: rep Not tainted 5.19.0-rc6-next-20220715 #266 Call Trace: <TASK> dump_stack_lvl+0x6e/0x91 print_report.cold+0x49a/0x6bb kasan_report+0xa8/0x130 f2fs_get_dnode_of_data+0xac/0x16d0 f2fs_do_write_data_page+0x2a5/0x1030 move_data_page+0x3c5/0xdf0 do_garbage_collect+0x2015/0x36c0 f2fs_gc+0x554/0x1d30 f2fs_balance_fs+0x7f5/0xda0 f2fs_write_single_data_page+0xb66/0xdc0 f2fs_write_cache_pages+0x716/0x1420 f2fs_write_data_pages+0x84f/0x9a0 do_writepages+0x130/0x3a0 filemap_fdatawrite_wbc+0x87/0xa0 file_write_and_wait_range+0x157/0x1c0 f2fs_do_sync_file+0x206/0x12d0 f2fs_sync_file+0x99/0xc0 vfs_fsync_range+0x75/0x140 f2fs_file_write_iter+0xd7b/0x1850 vfs_write+0x645/0x780 ksys_write+0xf1/0x1e0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd As 3db1de0e582c commit changed atomic write way which new a cow_inode for atomic write file, and also mark cow_inode as FI_ATOMIC_FILE. When f2fs_do_write_data_page write cow_inode will use cow_inode's cow_inode which is NULL. Then will trigger null-ptr-deref. To solve above issue, introduce FI_COW_FILE flag for COW inode. Fiexes: 3db1de0e582c("f2fs: change the current atomic write way")
ソース: NVD (National Vulnerability Database)
CVSS情報
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイプ
N/A
ソース: NVD (National Vulnerability Database)
脆弱性タイトル
Linux kernel 安全漏洞
ソース: CNNVD (China National Vulnerability Database)
脆弱性説明
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于f2fs_get_dnode_of_data函数中的空指针取消引用。
ソース: CNNVD (China National Vulnerability Database)
CVSS情報
N/A
ソース: CNNVD (China National Vulnerability Database)
脆弱性タイプ
N/A
ソース: CNNVD (China National Vulnerability Database)
影響を受ける製品
II. CVE-2022-50009の公開POC
| # | POC説明 | ソースリンク | Shenlongリンク |
|---|
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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total
| CVE-2022-50104 | powerpc/xive: Fix refcount leak in xive_get_max_prio | |
| CVE-2022-50116 | tty: n_gsm: fix deadlock and link starvation in outgoing data path | |
| CVE-2022-50114 | net: 9p: fix refcount leak in p9_read_work() error handling | |
| CVE-2022-50113 | ASoc: audio-graph-card2: Fix refcount leak bug in __graph_get_type() | |
| CVE-2022-50112 | rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge | |
| CVE-2022-50111 | ASoC: mt6359: Fix refcount leak bug | |
| CVE-2022-50110 | watchdog: sp5100_tco: Fix a memory leak of EFCH MMIO resource | |
| CVE-2022-50109 | video: fbdev: amba-clcd: Fix refcount leak bugs | |
| CVE-2022-50108 | mfd: max77620: Fix refcount leak in max77620_initialise_fps | |
| CVE-2022-50106 | powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address | |
| CVE-2022-50107 | cifs: Fix memory leak when using fscache | |
| CVE-2022-50105 | powerpc/spufs: Fix refcount leak in spufs_init_isolated_loader | |
| CVE-2022-50099 | video: fbdev: arkfb: Check the size of screen before memset_io() | |
| CVE-2022-50095 | posix-cpu-timers: Cleanup CPU timers before freeing them during exec | |
| CVE-2022-50094 | spmi: trace: fix stack-out-of-bound access in SPMI tracing functions | |
| CVE-2022-50096 | x86/kprobes: Update kcb status flag after singlestepping | |
| CVE-2022-50097 | video: fbdev: s3fb: Check the size of screen before memset_io() | |
| CVE-2022-50098 | scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts | |
| CVE-2022-50101 | video: fbdev: vt8623fb: Check the size of screen before memset_io() | |
| CVE-2022-50103 | sched, cpuset: Fix dl_cpu_busy() panic due to empty cs->cpus_allowed |
Showing 20 of 362 CVEs. View all on vendor page →
IV. 関連脆弱性
同じ製品: Linux
- CVE-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i - CVE-2026-64191
i2c: stub: Reject I2C block transfers with invalid length
同じベンダー: Linux
- CVE-2026-64206
Bluetooth: L2CAP: cancel pending_rx_work before taking conn- - CVE-2026-64207
net/sched: dualpi2: fix GSO backlog accounting - CVE-2026-64205
i2c: i801: fix hardware state machine corruption in error pa - CVE-2026-64192
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM i - CVE-2026-64191
i2c: stub: Reject I2C block transfers with invalid length
V. CVE-2022-50009へのコメント
まだコメントはありません