UBUNTU-CVE-2026-23142
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure When a DAMOS-scheme DAMON sysfs directory setup fails after setup of access_pattern/ directory, subdirectories of access_pattern/ directory are not cleaned up. As a result, DAMON sysfs interface is nearly broken until the system reboots, and the memory for the unremoved directory is leaked. Cleanup the directories under such failures.
02 / AFFECTED SOFTWARE
Affected packages
11 explicit affected versions
50 explicit affected versions
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19 explicit affected versions
10 explicit affected versions
6 explicit affected versions
24 explicit affected versions
10 explicit affected versions
34 explicit affected versions
26 explicit affected versions
7 explicit affected versions
38 explicit affected versions
13 explicit affected versions
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35 explicit affected versions
18 explicit affected versions
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13 explicit affected versions
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23 explicit affected versions
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1 explicit affected versions
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9 explicit affected versions
16 explicit affected versions
10 explicit affected versions
20 explicit affected versions
45 explicit affected versions
8 explicit affected versions
7 explicit affected versions
12 explicit affected versions
11 explicit affected versions
7 explicit affected versions
12 explicit affected versions
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10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
13 explicit affected versions
12 explicit affected versions
8 explicit affected versions
12 explicit affected versions
38 explicit affected versions
16 explicit affected versions
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10 explicit affected versions
37 explicit affected versions
10 explicit affected versions
9 explicit affected versions
13 explicit affected versions
37 explicit affected versions
3 explicit affected versions
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11 explicit affected versions
26 explicit affected versions
8 explicit affected versions
13 explicit affected versions
29 explicit affected versions
13 explicit affected versions
12 explicit affected versions
38 explicit affected versions
38 explicit affected versions
8 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
17 explicit affected versions
16 explicit affected versions
11 explicit affected versions
5 explicit affected versions
12 explicit affected versions
9 explicit affected versions
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12 explicit affected versions
8 explicit affected versions
16 explicit affected versions
5 explicit affected versions
10 explicit affected versions
26 explicit affected versions
35 explicit affected versions
33 explicit affected versions
44 explicit affected versions
11 explicit affected versions
10 explicit affected versions
13 explicit affected versions
43 explicit affected versions
16 explicit affected versions
47 explicit affected versions
3 explicit affected versions
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51 explicit affected versions
16 explicit affected versions
18 explicit affected versions
39 explicit affected versions
12 explicit affected versions
7 explicit affected versions
27 explicit affected versions
40 explicit affected versions
8 explicit affected versions
5 explicit affected versions
8 explicit affected versions
10 explicit affected versions
7 explicit affected versions
43 explicit affected versions
13 explicit affected versions
13 explicit affected versions
7 explicit affected versions
8 explicit affected versions
10 explicit affected versions
12 explicit affected versions
9 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
13 explicit affected versions
26 explicit affected versions
45 explicit affected versions
37 explicit affected versions
48 explicit affected versions
14 explicit affected versions
38 explicit affected versions
9 explicit affected versions
17 explicit affected versions
11 explicit affected versions
36 explicit affected versions
17 explicit affected versions
14 explicit affected versions
8 explicit affected versions
7 explicit affected versions
4 explicit affected versions
8 explicit affected versions
1 explicit affected versions
13 explicit affected versions
43 explicit affected versions
14 explicit affected versions
10 explicit affected versions
8 explicit affected versions
42 explicit affected versions
14 explicit affected versions
4 explicit affected versions
78 explicit affected versions
14 explicit affected versions
11 explicit affected versions
1 explicit affected versions
16 explicit affected versions
37 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-scheme: cleanup access_pattern subdirs on scheme dir setup failure When a DAMOS-scheme DAMON sysfs directory setup fails after setup of access_pattern/ directory, subdirectories of access_pattern/ directory are not cleaned up. As a result, DAMON sysfs interface is nearly broken until the system reboots, and the memory for the unremoved directory is leaked. Cleanup the directories under such failures.
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/392b3d9d595f34877dd745b470c711e8ebcd225c
- https://git.kernel.org/stable/c/16236b0b4a08fa3e326cf1373ef789dabdc2e30d
- https://git.kernel.org/stable/c/392b3d9d595f34877dd745b470c711e8ebcd225c
- https://git.kernel.org/stable/c/725d4fdaa01bd1161782081f419e1568cc7432e0
- https://git.kernel.org/stable/c/ae8ac0066b48ed957bdcab58f0d3543549c57a29
- https://git.kernel.org/stable/c/e9711bd0e64812c694a228cf58c9e6032decee54
- https://ubuntu.com/security/CVE-2026-23142
- https://ubuntu.com/security/notices/USN-8278-1
- https://ubuntu.com/security/notices/USN-8278-2
- https://ubuntu.com/security/notices/USN-8289-1
- https://ubuntu.com/security/notices/USN-8289-2
- https://ubuntu.com/security/notices/USN-8296-1
- https://ubuntu.com/security/notices/USN-8296-2
- https://ubuntu.com/security/notices/USN-8393-1
- https://ubuntu.com/security/notices/USN-8440-1
- https://ubuntu.com/security/notices/USN-8499-1
- https://ubuntu.com/security/notices/USN-8570-1
- https://ubuntu.com/security/notices/USN-8570-2
- https://ubuntu.com/security/notices/USN-8594-1
- https://ubuntu.com/security/notices/USN-8604-1
- https://ubuntu.com/security/notices/USN-8605-1
- https://www.cve.org/CVERecord?id=CVE-2026-23142