5.5

CVE-2025-38546

atm: clip: Fix memory leak of struct clip_vcc.

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

atm: clip: Fix memory leak of struct clip_vcc.

ioctl(ATMARP_MKIP) allocates struct clip_vcc and set it to
vcc->user_back.

The code assumes that vcc_destroy_socket() passes NULL skb
to vcc->push() when the socket is close()d, and then clip_push()
frees clip_vcc.

However, ioctl(ATMARPD_CTRL) sets NULL to vcc->push() in
atm_init_atmarp(), resulting in memory leak.

Let's serialise two ioctl() by lock_sock() and check vcc->push()
in atm_init_atmarp() to prevent memleak.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 2.6.13 < 5.4.296
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.240
Linux ≫ Linux Kernel Version >= 5.11 < 5.15.189
Linux ≫ Linux Kernel Version >= 5.16 < 6.1.146
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.99
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.39
Linux ≫ Linux Kernel Version >= 6.13 < 6.15.7
Linux ≫ Linux Kernel Version 2.6.12 Update -
Linux ≫ Linux Kernel Version 2.6.12 Update rc2
Linux ≫ Linux Kernel Version 2.6.12 Update rc3
Linux ≫ Linux Kernel Version 2.6.12 Update rc4
Linux ≫ Linux Kernel Version 2.6.12 Update rc5
Linux ≫ Linux Kernel Version 6.16 Update rc1
Linux ≫ Linux Kernel Version 6.16 Update rc2
Linux ≫ Linux Kernel Version 6.16 Update rc3
Linux ≫ Linux Kernel Version 6.16 Update rc4
Linux ≫ Linux Kernel Version 6.16 Update rc5
Debian ≫ Debian Linux Version 11.0
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.16% 0.056
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-401 Missing Release of Memory after Effective Lifetime

The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.

https://git.kernel.org/stable/c/2fb37ab3226606cbfc9b2b6f9e301b0b735734c5
Patch
https://git.kernel.org/stable/c/9e4dbeee56f614e3f1e166e5d0655a999ea185ef
Patch
https://git.kernel.org/stable/c/1c075e88d5859a2c6b43b27e0e46fb281cef8039
Patch
https://git.kernel.org/stable/c/0c17ff462d98c997d707ee5cf4e4a9b1b52b9d90
Patch
https://git.kernel.org/stable/c/1fb9fb5a4b5cec2d56e26525ef8c519de858fa60
Patch
https://git.kernel.org/stable/c/9f771816f14da6d6157a8c30069091abf6b566fb
Patch
https://git.kernel.org/stable/c/cb2e4a2f8f268d8fba6662f663a2e57846f14a8d
Patch
https://git.kernel.org/stable/c/62dba28275a9a3104d4e33595c7b3328d4032d8d
Patch
https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html
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https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html
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