Vulnerability Name:

CVE-2018-25020 (CCN-214939)

Assigned:2021-12-08
Published:2021-12-08
Updated:2022-04-05
Summary:The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
CVSS v3 Severity:7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-120
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-25020

Source: MISC
Type: Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html

Source: XF
Type: UNKNOWN
linux-kernel-cve201825020-bo(214939)

Source: CCN
Type: Linux Kernel GIT Repository
bpf: fix truncated jump targets on heavy expansions

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cb

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20211229-0005/

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:*:*:*:*:*:*:*:* (Version < 4.17)

    • Configuration 2:
  • cpe:/a:netapp:cloud_backup:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h410c:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h300s:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h500s:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h700s:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h300e:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h500e:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h700e:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
  • AND
  • cpe:/h:netapp:h410s:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:4.16:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:125394
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125120
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125797
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:126960
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:127358
    P
    		Security update for the Linux Kernel (Important)
    2022-02-11
    oval:org.opensuse.security:def:125390
    P
    		Security update for the Linux Kernel (Live Patch 19 for SLE 12 SP4) (Important)
    2022-02-02
    oval:org.opensuse.security:def:125391
    P
    		Security update for the Linux Kernel (Live Patch 20 for SLE 12 SP4) (Important)
    2022-02-02
    oval:org.opensuse.security:def:125392
    P
    		Security update for the Linux Kernel (Live Patch 21 for SLE 12 SP4) (Important)
    2022-02-02
    oval:org.opensuse.security:def:125389
    P
    		Security update for the Linux Kernel (Live Patch 18 for SLE 12 SP4) (Important)
    2022-02-02
    oval:org.opensuse.security:def:125393
    P
    		Security update for the Linux Kernel (Live Patch 22 for SLE 12 SP4) (Important)
    2022-02-02
    oval:org.opensuse.security:def:125376
    P
    		Security update for the Linux Kernel (Live Patch 23 for SLE 12 SP4) (Important)
    2022-01-31
    oval:org.opensuse.security:def:58934
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-17
    oval:org.opensuse.security:def:87575
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-17
    oval:org.opensuse.security:def:33111
    P
    		Security update for the Linux Kernel (Important) (in QA)
    2022-01-17
    oval:org.opensuse.security:def:34682
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:6188
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:60505
    P
    		Security update for the Linux Kernel (Important)
    2022-01-14
    oval:org.opensuse.security:def:5357
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:19626
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:34681
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6177
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:60504
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:20589
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:4305
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:26227
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:4701
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:35294
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:6359
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    oval:org.opensuse.security:def:61117
    P
    		Security update for the Linux Kernel (Important)
    2022-01-13
    BACK
    linux linux kernel *
    netapp cloud backup -
    netapp h410c firmware -
    netapp h410c -
    netapp h300s firmware -
    netapp h300s -
    netapp h500s firmware -
    netapp h500s -
    netapp h700s firmware -
    netapp h700s -
    netapp h300e firmware -
    netapp h300e -
    netapp h500e firmware -
    netapp h500e -
    netapp h700e firmware -
    netapp h700e -
    netapp h410s firmware -
    netapp h410s -
    linux linux kernel 4.16