目标达成 感谢每一位支持者 — 我们达成了 100% 目标！

目标: 1000 元 · 已筹: 1336 元

100%
请我们喝杯咖啡

CVE-2022-49255— Linux kernel 安全漏洞

AI 预测 7.8 利用难度: 中等 EPSS 0.26% · P18

影响版本矩阵 14

厂商产品版本范围状态
LinuxLinux7735730d39d75e70476c1b01435b9b1f41637f0e< 005f9cdab70c915702254c5eb67a8efced80e821affected
7735730d39d75e70476c1b01435b9b1f41637f0e< 1a11a873749c6375bb668953fa1a196d8538d26baffected
7735730d39d75e70476c1b01435b9b1f41637f0e< d1eaaf6cadedf638e17017b0a04d56308405ac10affected
7735730d39d75e70476c1b01435b9b1f41637f0e< aa80bf73e3b3fb7026d343c77b3ddc849e26a095affected
7735730d39d75e70476c1b01435b9b1f41637f0e< 8579b413af100ec5f3592bd6cf11559312b380c0affected
7735730d39d75e70476c1b01435b9b1f41637f0e< 2fef99b8372c1ae3d8445ab570e888b5a358dbe9affected
4.19affected
< 4.19unaffected
… +6 条更多
获取后续新漏洞提醒登录后订阅

一、 漏洞 CVE-2022-49255 基础信息

漏洞信息
对漏洞内容有疑问？看看神龙的深度分析是否有帮助！
查看神龙十问 ↗

尽管我们使用了先进的大模型技术，但其输出仍可能包含不准确或过时的信息。神龙努力确保数据的准确性，但请您根据实际情况进行核实和判断。

Vulnerability Title
f2fs: fix missing free nid in f2fs_handle_failed_inode
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix missing free nid in f2fs_handle_failed_inode This patch fixes xfstests/generic/475 failure. [ 293.680694] F2FS-fs (dm-1): May loss orphan inode, run fsck to fix. [ 293.685358] Buffer I/O error on dev dm-1, logical block 8388592, async page read [ 293.691527] Buffer I/O error on dev dm-1, logical block 8388592, async page read [ 293.691764] sh (7615): drop_caches: 3 [ 293.691819] sh (7616): drop_caches: 3 [ 293.694017] Buffer I/O error on dev dm-1, logical block 1, async page read [ 293.695659] sh (7618): drop_caches: 3 [ 293.696979] sh (7617): drop_caches: 3 [ 293.700290] sh (7623): drop_caches: 3 [ 293.708621] sh (7626): drop_caches: 3 [ 293.711386] sh (7628): drop_caches: 3 [ 293.711825] sh (7627): drop_caches: 3 [ 293.716738] sh (7630): drop_caches: 3 [ 293.719613] sh (7632): drop_caches: 3 [ 293.720971] sh (7633): drop_caches: 3 [ 293.727741] sh (7634): drop_caches: 3 [ 293.730783] sh (7636): drop_caches: 3 [ 293.732681] sh (7635): drop_caches: 3 [ 293.732988] sh (7637): drop_caches: 3 [ 293.738836] sh (7639): drop_caches: 3 [ 293.740568] sh (7641): drop_caches: 3 [ 293.743053] sh (7640): drop_caches: 3 [ 293.821889] ------------[ cut here ]------------ [ 293.824654] kernel BUG at fs/f2fs/node.c:3334! [ 293.826226] invalid opcode: 0000 [#1] PREEMPT SMP PTI [ 293.828713] CPU: 0 PID: 7653 Comm: umount Tainted: G OE 5.17.0-rc1-custom #1 [ 293.830946] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 [ 293.832526] RIP: 0010:f2fs_destroy_node_manager+0x33f/0x350 [f2fs] [ 293.833905] Code: e8 d6 3d f9 f9 48 8b 45 d0 65 48 2b 04 25 28 00 00 00 75 1a 48 81 c4 28 03 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b [ 293.837783] RSP: 0018:ffffb04ec31e7a20 EFLAGS: 00010202 [ 293.839062] RAX: 0000000000000001 RBX: ffff9df947db2eb8 RCX: 0000000080aa0072 [ 293.840666] RDX: 0000000000000000 RSI: ffffe86c0432a140 RDI: ffffffffc0b72a21 [ 293.842261] RBP: ffffb04ec31e7d70 R08: ffff9df94ca85780 R09: 0000000080aa0072 [ 293.843909] R10: ffff9df94ca85700 R11: ffff9df94e1ccf58 R12: ffff9df947db2e00 [ 293.845594] R13: ffff9df947db2ed0 R14: ffff9df947db2eb8 R15: ffff9df947db2eb8 [ 293.847855] FS: 00007f5a97379800(0000) GS:ffff9dfa77c00000(0000) knlGS:0000000000000000 [ 293.850647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 293.852940] CR2: 00007f5a97528730 CR3: 000000010bc76005 CR4: 0000000000370ef0 [ 293.854680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 293.856423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 293.858380] Call Trace: [ 293.859302] <TASK> [ 293.860311] ? ttwu_do_wakeup+0x1c/0x170 [ 293.861800] ? ttwu_do_activate+0x6d/0xb0 [ 293.863057] ? _raw_spin_unlock_irqrestore+0x29/0x40 [ 293.864411] ? try_to_wake_up+0x9d/0x5e0 [ 293.865618] ? debug_smp_processor_id+0x17/0x20 [ 293.866934] ? debug_smp_processor_id+0x17/0x20 [ 293.868223] ? free_unref_page+0xbf/0x120 [ 293.869470] ? __free_slab+0xcb/0x1c0 [ 293.870614] ? preempt_count_add+0x7a/0xc0 [ 293.871811] ? __slab_free+0xa0/0x2d0 [ 293.872918] ? __wake_up_common_lock+0x8a/0xc0 [ 293.874186] ? __slab_free+0xa0/0x2d0 [ 293.875305] ? free_inode_nonrcu+0x20/0x20 [ 293.876466] ? free_inode_nonrcu+0x20/0x20 [ 293.877650] ? debug_smp_processor_id+0x17/0x20 [ 293.878949] ? call_rcu+0x11a/0x240 [ 293.880060] ? f2fs_destroy_stats+0x59/0x60 [f2fs] [ 293.881437] ? kfree+0x1fe/0x230 [ 293.882674] f2fs_put_super+0x160/0x390 [f2fs] [ 293.883978] generic_shutdown_super+0x7a/0x120 [ 293.885274] kill_block_super+0x27/0x50 [ 293.886496] kill_f2fs_super+0x7f/0x100 [f2fs] [ 293.887806] deactivate_locked_super+0x35/0xa0 [ 293.889271] deactivate_super+0x40/0x50 [ 293.890513] cleanup_mnt+0x139/0x190 [ 293.891689] __cleanup_mnt+0x12/0x20 [ 293.892850] task_work_run+0x64/0xa0 [ 293.894035] exit_to_user_mode_prepare+0x1b7/ ---truncated---
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
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_handle_failed_inode中未释放nid。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD

受影响产品

厂商产品影响版本CPE订阅
LinuxLinux 7735730d39d75e70476c1b01435b9b1f41637f0e ~ 005f9cdab70c915702254c5eb67a8efced80e821 -
LinuxLinux 4.19 -

二、漏洞 CVE-2022-49255 的公开POC

#POC 描述源链接神龙链接
AI 生成 POC高级

未找到公开 POC。

登录以生成 AI POC

三、漏洞 CVE-2022-49255 的情报信息

请登录查看更多情报信息。

CVE-2022-49255 补丁与修复 (6)

同批安全公告 · Linux · 2025-02-26 · 共 706 条

CVE-2022-491499.8 CRITICALLinux kernel 安全漏洞
CVE-2022-492809.8 CRITICALLinux kernel 安全漏洞
CVE-2022-495619.8 CRITICALLinux kernel 安全漏洞
CVE-2022-494079.8 CRITICALLinux kernel 安全漏洞
CVE-2022-490949.8 CRITICALLinux kernel 安全漏洞
CVE-2022-493629.8 CRITICALLinux kernel 安全漏洞
CVE-2022-490939.8 CRITICALLinux kernel 安全漏洞
CVE-2022-491949.8 CRITICALLinux kernel 安全漏洞
CVE-2022-493569.8 CRITICALLinux kernel 安全漏洞
CVE-2022-494189.8 CRITICALLinux kernel 安全漏洞
CVE-2022-492019.8 CRITICALLinux kernel 安全漏洞
CVE-2022-492609.8 CRITICALLinux kernel 安全漏洞
CVE-2022-490589.1 CRITICALLinux kernel 安全漏洞
CVE-2022-495198.8 HIGHLinux kernel 安全漏洞
CVE-2022-493288.8 HIGHLinux kernel 安全漏洞
CVE-2022-492388.8 HIGHLinux kernel 安全漏洞
CVE-2022-491388.8 HIGHLinux kernel 安全漏洞
CVE-2022-494798.8 HIGHLinux kernel 安全漏洞
CVE-2022-491148.8 HIGHLinux kernel 安全漏洞
CVE-2022-491118.8 HIGHLinux kernel 安全漏洞

显示前 20 条，共 706 条。 查看全部 &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-49255

暂无评论

发表评论