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一、漏洞信息
漏洞编号：CVE-2022-48996
漏洞归属组件：kernel
漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.0,6.1.14,6.1.19,6.1.5,6.1.6,6.1.8,6.4.0,6.6.0
CVSS V3.0分值：
BaseScore：5.5 Medium
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
漏洞简述：
In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ( mm/damon/sysfs: support online inputs update ) made damon_sysfs_set_schemes() to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn t have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn t leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn t have schemes) in damon_sysfs_set_schemes() to fix the bug.
漏洞公开时间：2024-10-22 04:15:11
漏洞创建时间：2024-10-22 05:03:55
漏洞详情参考链接：
https://nvd.nist.gov/vuln/detail/CVE-2022-48996
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：
| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源 |
|---|---|---|---|---|
| https://git.kernel.org/stable/c/95bc35f9bee5220dad4e8567654ab3288a181639 | nvd | |||
| https://git.kernel.org/stable/c/f98d1f2a36ad7ab48fb4cf73ca14e7b19482fd4d | nvd |
二、漏洞分析结构反馈
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ( mm/damon/sysfs: support online inputs update ) made damon_sysfs_set_schemes() to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn t have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn t leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn t have schemes) in damon_sysfs_set_schemes() to fix the bug.
openEuler评分：
5.5
Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响)：
1.openEuler-20.03-LTS-SP4(4.19.90):不受影响
2.openEuler-22.03-LTS-SP1(5.10.0):不受影响
3.openEuler-22.03-LTS-SP3(5.10.0):不受影响
4.openEuler-22.03-LTS-SP4(5.10.0):不受影响
5.master(6.6.0):不受影响
6.openEuler-24.03-LTS(6.6.0):不受影响
7.openEuler-24.03-LTS-Next(6.6.0):不受影响
8.openEuler-24.03-LTS-SP1:不受影响
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.6.0):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4(5.10.0):否
8.openEuler-24.03-LTS-SP1:否
原因说明：
1.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在
2.openEuler-22.03-LTS-SP1(5.10.0):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在
5.master(6.6.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在
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hulk-robot
7个月前
CVE-2022-48996
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()
Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made
'damon_sysfs_set_schemes()' to be called for running DAMON context, which
could have schemes. In the case, DAMON sysfs interface is supposed to
update, remove, or add schemes to reflect the sysfs files. However, the
code is assuming the DAMON context wouldn't have schemes at all, and
therefore creates and adds new schemes. As a result, the code doesn't
work as intended for online schemes tuning and could have more than
expected memory footprint. The schemes are all in the DAMON context, so
it doesn't leak the memory, though.
Remove the wrong asssumption (the DAMON context wouldn't have schemes) in
'damon_sysfs_set_schemes()' to fix the bug.
openEuler评分:(评分和向量)
3.9
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 需分析 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made'damon_sysfs_set_schemes()' to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn't have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn'twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn't leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn't have schemes) in'damon_sysfs_set_schemes()' to fix the bug. |
| 已分析 | 2.openEulerScore | 3.9 |
| 已分析 | 3.openEulerVector | AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
| 已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响 |
| 已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
hulk-robot
7个月前
CVE-2022-48996
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()
Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made
'damon_sysfs_set_schemes()' to be called for running DAMON context, which
could have schemes. In the case, DAMON sysfs interface is supposed to
update, remove, or add schemes to reflect the sysfs files. However, the
code is assuming the DAMON context wouldn't have schemes at all, and
therefore creates and adds new schemes. As a result, the code doesn't
work as intended for online schemes tuning and could have more than
expected memory footprint. The schemes are all in the DAMON context, so
it doesn't leak the memory, though.
Remove the wrong asssumption (the DAMON context wouldn't have schemes) in
'damon_sysfs_set_schemes()' to fix the bug.
openEuler评分:(评分和向量)
3.9
AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.1.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(6.1.0):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 需分析 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made'damon_sysfs_set_schemes()' to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn't have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn'twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn't leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn't have schemes) in'damon_sysfs_set_schemes()' to fix the bug. |
| 已分析 | 2.openEulerScore | 3.9 |
| 已分析 | 3.openEulerVector | AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:L |
| 已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响 |
| 已分析 | 5.修复是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
郭梦琪
6个月前
CVE-2022-48996
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()
Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made
'damon_sysfs_set_schemes()' to be called for running DAMON context, which
could have schemes. In the case, DAMON sysfs interface is supposed to
update, remove, or add schemes to reflect the sysfs files. However, the
code is assuming the DAMON context wouldn't have schemes at all, and
therefore creates and adds new schemes. As a result, the code doesn't
work as intended for online schemes tuning and could have more than
expected memory footprint. The schemes are all in the DAMON context, so
it doesn't leak the memory, though.
Remove the wrong asssumption (the DAMON context wouldn't have schemes) in
'damon_sysfs_set_schemes()' to fix the bug.
openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(23.08.5):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响
8.openEuler-24.03-LTS-SP1:不受影响
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1:否
===========================================================
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 分析项目 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made'damon_sysfs_set_schemes()' to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn't have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn'twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn't leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn't have schemes) in'damon_sysfs_set_schemes()' to fix the bug. |
| 已分析 | 2.openEulerScore | 5.5 |
| 已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:不受影响 |
| 已分析 | 5.是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-SP1:否 |
| 已分析 | 6.原因说明 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
郭梦琪
6个月前
CVE-2022-48996
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()
Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made
'damon_sysfs_set_schemes()' to be called for running DAMON context, which
could have schemes. In the case, DAMON sysfs interface is supposed to
update, remove, or add schemes to reflect the sysfs files. However, the
code is assuming the DAMON context wouldn't have schemes at all, and
therefore creates and adds new schemes. As a result, the code doesn't
work as intended for online schemes tuning and could have more than
expected memory footprint. The schemes are all in the DAMON context, so
it doesn't leak the memory, though.
Remove the wrong asssumption (the DAMON context wouldn't have schemes) in
'damon_sysfs_set_schemes()' to fix the bug.
openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.6.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响
8.openEuler-24.03-LTS-SP1:不受影响
原因说明:
1.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
2.openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在
5.master(6.6.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS:不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next:不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1:否
===========================================================
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 分析项目 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made'damon_sysfs_set_schemes()' to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn't have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn'twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn't leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn't have schemes) in'damon_sysfs_set_schemes()' to fix the bug. |
| 已分析 | 2.openEulerScore | 5.5 |
| 已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:不受影响 |
| 已分析 | 5.是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-SP1:否 |
| 已分析 | 6.原因说明 | openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在,master:不受影响-漏洞代码不存在,openEuler-24.03-LTS:不受影响-漏洞代码不存在,openEuler-24.03-LTS-Next:不受影响-漏洞代码不存在,openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在 |
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郭梦琪
6个月前
CVE-2022-48996
影响性分析说明：
In the Linux kernel, the following vulnerability has been resolved:
mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()
Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made
'damon_sysfs_set_schemes()' to be called for running DAMON context, which
could have schemes. In the case, DAMON sysfs interface is supposed to
update, remove, or add schemes to reflect the sysfs files. However, the
code is assuming the DAMON context wouldn't have schemes at all, and
therefore creates and adds new schemes. As a result, the code doesn't
work as intended for online schemes tuning and could have more than
expected memory footprint. The schemes are all in the DAMON context, so
it doesn't leak the memory, though.
Remove the wrong asssumption (the DAMON context wouldn't have schemes) in
'damon_sysfs_set_schemes()' to fix the bug.
openEuler评分:(评分和向量)
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
受影响版本排查(受影响/不受影响):
1.openEuler-20.03-LTS-SP4:不受影响
2.openEuler-22.03-LTS-SP1:不受影响
3.openEuler-22.03-LTS-SP3:不受影响
4.openEuler-22.03-LTS-SP4:不受影响
5.master(6.6.0):不受影响
6.openEuler-24.03-LTS:不受影响
7.openEuler-24.03-LTS-Next:不受影响
8.openEuler-24.03-LTS-SP1:不受影响
原因说明:
1.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在
2.openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在
5.master(6.6.0):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS:不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next:不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在
修复是否涉及abi变化(是/否)：
1.openEuler-20.03-LTS-SP4:否
2.openEuler-22.03-LTS-SP1:否
3.openEuler-22.03-LTS-SP3:否
4.master(23.08.5):否
5.openEuler-24.03-LTS:否
6.openEuler-24.03-LTS-Next:否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1:否
===========================================================
@ 经过 cve-manager 解析, 已分析的内容如下表所示:
| 状态 | 分析项目 | 内容 |
|---|---|---|
| 已分析 | 1.影响性分析说明 | In the Linux kernel, the following vulnerability has been resolved:mm/damon/sysfs: fix wrong empty schemes assumption under online tuning in damon_sysfs_set_schemes()Commit da87878010e5 ("mm/damon/sysfs: support online inputs update") made'damon_sysfs_set_schemes()' to be called for running DAMON context, whichcould have schemes. In the case, DAMON sysfs interface is supposed toupdate, remove, or add schemes to reflect the sysfs files. However, thecode is assuming the DAMON context wouldn't have schemes at all, andtherefore creates and adds new schemes. As a result, the code doesn'twork as intended for online schemes tuning and could have more thanexpected memory footprint. The schemes are all in the DAMON context, soit doesn't leak the memory, though.Remove the wrong asssumption (the DAMON context wouldn't have schemes) in'damon_sysfs_set_schemes()' to fix the bug. |
| 已分析 | 2.openEulerScore | 5.5 |
| 已分析 | 3.openEulerVector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 已分析 | 4.受影响版本排查 | openEuler-20.03-LTS-SP4:不受影响,openEuler-22.03-LTS-SP1:不受影响,openEuler-22.03-LTS-SP3:不受影响,openEuler-22.03-LTS-SP4:不受影响,master:不受影响,openEuler-24.03-LTS:不受影响,openEuler-24.03-LTS-Next:不受影响,openEuler-24.03-LTS-SP1:不受影响 |
| 已分析 | 5.是否涉及abi变化 | openEuler-20.03-LTS-SP4:否,openEuler-22.03-LTS-SP1:否,openEuler-22.03-LTS-SP3:否,master:否,openEuler-24.03-LTS:否,openEuler-24.03-LTS-Next:否,openEuler-22.03-LTS-SP4:否,openEuler-24.03-LTS-SP1:否 |
| 已分析 | 6.原因说明 | openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP1:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP3:不受影响-漏洞代码不存在,openEuler-22.03-LTS-SP4:不受影响-漏洞代码不存在,master:不受影响-漏洞代码不存在,openEuler-24.03-LTS:不受影响-漏洞代码不存在,openEuler-24.03-LTS-Next:不受影响-漏洞代码不存在,openEuler-24.03-LTS-SP1:不受影响-漏洞代码不存在 |
请确认分析内容的准确性, 确认无误后, 您可以进行后续步骤, 否则您可以继续分析.
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