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CVE

CVE-2026-23408

CVE-2026-23408 linux
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CVE

CVE-2026-23408

CVE-2026-23408 linux

In the Linux kernel, the following vulnerability has been resolved:  apparmor: Fix double free of nsname in aareplaceprofiles()  if nsname is NULL after 1071         error = aaunpack(udata, &lh, &nsname);  and if ent->nsname contains an nsname in 1089                 } else if (ent->nsname) {  then nsname is assigned the ent->nsname 1095                         nsname = ent->nsname;  however ent->nsname is freed at 1262                 aaloadentfree(ent);  and then again when freeing nsname at 1270         kfree(nsname);  Fix this by NULLing out ent->nsname after it is transferred to ns_name  ")

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.8
-
3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
C
H
U
-
C
H
U
-

Related Resources

No items found.

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-23408

Severity

7.8

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.8
EPSS Probability
0.00009%
EPSS Percentile
0.0098%
Introduced Version
0
Fix Available
6.1.164-1,5.10.251-1,6.12.74-2,0:6.8.0-106.106,0:6.17.0-19.19~24.04.2,0:6.8.0-1050.53,0:6.17.0-1009.9~24.04.2,0:6.8.0-1051.57,0:6.17.0-1010.10~24.04.1,0:6.8.0-1052.55,0:6.17.0-1009.9~24.04.3,0:6.8.0-1048.53,0:6.8.0-1035.38,0:6.8.0-1049.49,0:6.8.0-106.106.1,0:6.8.0-1049.52,0:6.8.0-1049.52.1,0:6.8.0-1020.20,0:6.8.0-1047.48,0:6.17.0-1009.9~24.04.1,0:6.17.0-1017.17,0:6.8.0-1050.54,0:6.8.0-1028.29,0:6.17.0-1014.14,0:5.15.0-173.183~20.04.1,0:5.15.0-1103.110~20.04.1,0:5.15.0-1110.119~20.04.1,0:5.15.0-1103.112~20.04.1,0:5.15.0-1097.100~20.04.1,0:5.15.0-1098.104~20.04.1,0:5.15.0-1055.55~20.04.1,0:5.15.0-1100.106~20.04.1,0:5.15.0-173.183,0:6.8.0-106.106~22.04.1,0:5.15.0-1095.100,0:5.15.0-1103.110,0:6.8.0-1050.53~22.04.1,0:5.15.0-1109.118,0:6.8.0-1051.57~22.04.1,0:5.15.0-1103.112,0:6.8.0-1052.55~22.04.1,0:5.15.0-1099.105,0:5.15.0-1086.94,0:5.15.0-1097.100,0:6.8.0-1049.49~22.04.1,0:5.15.0-1098.104,0:6.8.0-106.106.1~22.04.1,0:5.15.0-1098.99,0:6.8.0-1049.52~22.04.1,0:5.15.0-1055.55,0:5.15.0-1044.44,0:5.15.0-1100.106,0:6.8.0-1047.48~22.04.1,0:5.15.0-1067.71

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