What is the severity of CVE-2026-23205?

CVE-2026-23205 has a CVSS v3 score of 0, which is classified as Low severity.

Is there an exploit available for CVE-2026-23205?

No known public exploits are currently available for CVE-2026-23205.

Is there a patch available for CVE-2026-23205?

Yes, patches are available for CVE-2026-23205. Check the vendor advisories for update instructions.

CVE-2026-23205 - CVE Details, Severity, and Analysis

Severity Scores

CVSS v30.0

CVSS v20.0

Priority Score0.0

EPSS Score0.0

None

Exploitation LikelihoodMinimal

0.00%EPSS

Very low probability of exploitation

Monitor and patch as resources allow

0.00%

EPSS

0.0

CVSS

No

Exploit

Yes

Patch

Low Priority

no major risk factors

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

Description

In the Linux kernel, the following vulnerability has been resolved:

smb/client: fix memory leak in smb2_open_file()

Reproducer:

server: directories are exported read-only
client: mount -t cifs //${server_ip}/export /mnt
client: dd if=/dev/zero of=/mnt/file bs=512 count=1000 oflag=direct
client: umount /mnt
client: sleep 1
client: modprobe -r cifs

The error message is as follows:

============================================================================= BUG cifs_small_rq (Not tainted): Objects remaining on __kmem_cache_shutdown()

Object 0x00000000d47521be @offset=14336 ... WARNING: mm/slub.c:1251 at __kmem_cache_shutdown+0x34e/0x440, CPU#0: modprobe/1577 ... Call Trace: <TASK> kmem_cache_destroy+0x94/0x190 cifs_destroy_request_bufs+0x3e/0x50 [cifs] cleanup_module+0x4e/0x540 [cifs] __se_sys_delete_module+0x278/0x400 __x64_sys_delete_module+0x5f/0x70 x64_sys_call+0x2299/0x2ff0 do_syscall_64+0x89/0x350 entry_SYSCALL_64_after_hwframe+0x76/0x7e ... kmem_cache_destroy cifs_small_rq: Slab cache still has objects when called from cifs_destroy_request_bufs+0x3e/0x50 [cifs] WARNING: mm/slab_common.c:532 at kmem_cache_destroy+0x16b/0x190, CPU#0: modprobe/1577

CVSS v3 Breakdown

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