CVE-2021-47076

一、漏洞信息
 漏洞编号：[CVE-2021-47076](https://nvd.nist.gov/vuln/detail/CVE-2021-47076)
 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel)
 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0
 CVSS V2.0分值：
  BaseScore：0.0 Low
  Vector：CVSS：2.0/
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:RDMA/rxe: Return CQE error if invalid lkey was suppliedRXE is missing update of WQE status in LOCAL_WRITE failures.  This causedthe following kernel panic if someone sent an atomic operation with anexplicitly wrong lkey.[leonro@vm ~]$ mkt testtest_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ... WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe] Modules linked in: crc32_generic rdma_rxe ip6_udp_tunnel udp_tunnel rdma_ucm rdma_cm ib_umad ib_ipoib iw_cm ib_cm mlx5_ib ib_uverbs ib_core mlx5_core ptp pps_core CPU: 5 PID: 263 Comm: python3 Not tainted 5.13.0-rc1+ #2936 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:rxe_completer+0x1a6d/0x2e30 [rdma_rxe] Code: 03 0f 8e 65 0e 00 00 3b 93 10 06 00 00 0f 84 82 0a 00 00 4c 89 ff 4c 89 44 24 38 e8 2d 74 a9 e1 4c 8b 44 24 38 e9 1c f5 ff ff <0f> 0b e9 0c e8 ff ff b8 05 00 00 00 41 bf 05 00 00 00 e9 ab e7 ff RSP: 0018:ffff8880158af090 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888016a78000 RCX: ffffffffa0cf1652 RDX: 1ffff9200004b442 RSI: 0000000000000004 RDI: ffffc9000025a210 RBP: dffffc0000000000 R08: 00000000ffffffea R09: ffff88801617740b R10: ffffed1002c2ee81 R11: 0000000000000007 R12: ffff88800f3b63e8 R13: ffff888016a78008 R14: ffffc9000025a180 R15: 000000000000000c FS:  00007f88b622a740(0000) GS:ffff88806d540000(0000) knlGS:0000000000000000 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88b5a1fa10 CR3: 000000000d848004 CR4: 0000000000370ea0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace:  rxe_do_task+0x130/0x230 [rdma_rxe]  rxe_rcv+0xb11/0x1df0 [rdma_rxe]  rxe_loopback+0x157/0x1e0 [rdma_rxe]  rxe_responder+0x5532/0x7620 [rdma_rxe]  rxe_do_task+0x130/0x230 [rdma_rxe]  rxe_rcv+0x9c8/0x1df0 [rdma_rxe]  rxe_loopback+0x157/0x1e0 [rdma_rxe]  rxe_requester+0x1efd/0x58c0 [rdma_rxe]  rxe_do_task+0x130/0x230 [rdma_rxe]  rxe_post_send+0x998/0x1860 [rdma_rxe]  ib_uverbs_post_send+0xd5f/0x1220 [ib_uverbs]  ib_uverbs_write+0x847/0xc80 [ib_uverbs]  vfs_write+0x1c5/0x840  ksys_write+0x176/0x1d0  do_syscall_64+0x3f/0x80  entry_SYSCALL_64_after_hwframe+0x44/0xae
 漏洞公开时间：2024-03-02 06:15
 漏洞创建时间：2024-03-02 08:28:34
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-47076
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| cve_search |  | https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c |
| cve_search |  | https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</details>
 
二、漏洞分析结构反馈
 影响性分析说明：
                                                        
 openEuler评分：
   
 受影响版本排查(受影响/不受影响)：
  1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):
9.openEuler-24.03-LTS:

修复是否涉及abi变化(是/否)：
  1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):

@yangyingliang ,@gatieme ,@jiaoff ,@guohaocs2c ,@hanjun-guo ,@woqidaideshi ,@newbeats ,@zhangyi089 ,@colyli ,@thundertown ,@htforge ,@chiqijun ,@lengchao ,@zhujianwei001 ,@kylin-mayukun ,@wangxiongfeng ,@wkfxxx ,@SuperSix173 ,@jentlestea ,@oskernel0719 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):

修复是否涉及abi变化(是/否)：
1.master(6.1.0):
2.openEuler-20.03-LTS-SP1(4.19.90):
3.openEuler-20.03-LTS-SP4(4.19.90):
4.openEuler-22.03-LTS(5.10.0):
5.openEuler-22.03-LTS-Next(5.10.0):
6.openEuler-22.03-LTS-SP1(5.10.0):
7.openEuler-22.03-LTS-SP2(5.10.0):
8.openEuler-22.03-LTS-SP3(5.10.0):

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

<table><tr><th white-space: nowrap;>参考网址</th> <th white-space: nowrap;>关联pr</th> <th white-space: nowrap;>状态</th> <th white-space: nowrap;>补丁链接</th></tr><tr><td rowspan="1">https://nvd.nist.gov/vuln/detail/CVE-2021-47076</td><td>None</td><td>None</td><td><a href=https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d>https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d</a><br /><a href=https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c>https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c</a></td></tr><tr><td>https://ubuntu.com/security/CVE-2021-47076</td><td></td><td></td><td></td></tr><tr><td rowspan="1">https://www.opencve.io/cve/CVE-2021-47076</td><td>None</td><td>None</td><td><a href=https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d>https://git.kernel.org/stable/c/dc07628bd2bbc1da768e265192c28ebd301f509d</a><br /><a href=https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c>https://git.kernel.org/stable/c/abe31d25facdb9109fe2cf69890748295291570c</a></td></tr><tr><td>https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2021-47076</td><td></td><td></td><td></td></tr><tr><td rowspan="1">https://security-tracker.debian.org/tracker/CVE-2021-47076</td><td>None</td><td>None</td><td><a href=https://git.kernel.org/linus/dc07628bd2bbc1da768e265192c28ebd301f509d>https://git.kernel.org/linus/dc07628bd2bbc1da768e265192c28ebd301f509d</a></td></tr></table>

> 说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用[CVE补丁工具](https://gitee.com/openeuler/cve-manager/blob/master/cve-agency-manager/cve_tracking/README.md)。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址 补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

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CVE-2021-47076

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