CVE-2010-1173Linux Kernel Memory Corruption
The sctp_process_unk_param function in net/sctp/sm_make_chunk.c in the Linux kernel 2.6.33.3 and earlier, when SCTP is enabled, allows remote attackers to cause a denial of service (system crash) via an SCTPChunkInit packet containing multiple invalid parameters that require a…
Published May 7, 2010 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2010-1173 is a high-severity vulnerability (CVSS 7.1 v2) affecting Linux Kernel, linux-2.6 (debian), kernel-debug-devel (oracle) and 22 more products.
- It is exploited in the wild, listed in Industry KEV feed since Feb 9, 2026. Public exploit code is available.
- EPSS estimates a 21% probability of exploitation in the next 30 days.
- Fixed versions are available, including btrfs-kmp-default 0_2.6.32.54_0.3-0.3.73, btrfs-kmp-pae 0_2.6.32.59_0.13-0.3.163, btrfs-kmp-xen 0_2.6.32.54_0.3-0.3.73.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v2
7.1
AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Feb 9, 2026
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
4
Reports of active use
Advisories And Exploit References
Description
The sctp_process_unk_param function in net/sctp/sm_make_chunk.c in the Linux kernel 2.6.33.3 and earlier, when SCTP is enabled, allows remote attackers to cause a denial of service (system crash) via an SCTPChunkInit packet containing multiple invalid parameters that require a large amount of error data.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 9, 2026 | n/a | Not reported |
Affected Products
489 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Linux KernelLinux | 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.11.1, 2.6.11.10, 2.6.11.11, 2.6.11.12 | 2.6.33.3 |
| linux-2.6debian | See advisory | 2.6.26-22lenny1 |
| kernel-debug-develoracle | See advisory | 2.6.18-194.8.1.0.1.el5 |
| kernel-debugoracle | See advisory | 2.6.18-194.8.1.0.1.el5 |
| kernel-develoracle | See advisory | 2.6.18-194.8.1.0.1.el5 |
Patched Releases
btrfs-kmp-default
0_2.6.32.54_0.3-0.3.73
btrfs-kmp-pae
0_2.6.32.59_0.13-0.3.163
btrfs-kmp-xen
0_2.6.32.54_0.3-0.3.73
ext4dev-kmp-default
0_2.6.32.54_0.3-7.9.40
ext4dev-kmp-pae
0_2.6.32.59_0.13-7.9.130
ext4dev-kmp-trace
0_2.6.32.54_0.3-7.9.40
ext4dev-kmp-xen
0_2.6.32.54_0.3-7.9.40
hyper-v-kmp-default
0_2.6.32.54_0.3-0.18.3
hyper-v-kmp-pae
0_2.6.32.59_0.13-0.18.39
hyper-v-kmp-trace
0_2.6.32.54_0.3-0.18.3
kernel
0:2.6.18-194.8.1.el5, 0:2.6.9-89.0.26.EL, 2.6.18-194.8.1.0.1.el5
kernel-debug
2.6.18-194.8.1.0.1.el5
kernel-debug-devel
2.6.18-194.8.1.0.1.el5
kernel-default
2.6.32.54-0.7.TDC.1
kernel-default-base
2.6.32.54-0.7.TDC.1
kernel-default-devel
2.6.32.54-0.7.TDC.1
kernel-default-man
2.6.32.59-0.15.2
kernel-devel
2.6.18-194.8.1.0.1.el5
kernel-doc
2.6.18-194.8.1.0.1.el5
kernel-ec2
2.6.32.54-0.5.1
kernel-ec2-base
2.6.32.54-0.5.1
kernel-ec2-devel
2.6.32.59-0.15.2
kernel-headers
2.6.18-194.8.1.0.1.el5
kernel-PAE
2.6.32.59-0.15.2, 2.6.18-194.8.1.0.1.el5
kernel-pae-base
2.6.32.59-0.15.2
Timeline
Publicly disclosed
May 7, 2010
Added to Industry KEV feed
Feb 9, 2026
Last updated
Apr 28, 2026
Weakness Type
- CWE-20 Improper Input Validation
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-190 Integer Overflow or Wraparound
- CWE-228 Improper Handling of Syntactically Invalid Structure
References
- advisoryRHSA-2010:0474
- advisoryRHSA-2010:0504
- advisoryRHSA-2010:0631
- patch[netdev] 20100428 Re: [PATCH]: sctp: Fix skb_over_panic resulting from multiple invalid parameter errors (CVE-2010-1173) (v4)
- exploit[oss-security] 20100429 Re: CVE-2010-1173 kernel: skb_over_panic resulting from multiple invalid parameter errors
FAQ
Common Questions.
The sctp_process_unk_param function in net/sctp/sm_make_chunk.c in the Linux kernel 2.6.33.3 and earlier, when SCTP is enabled, allows remote attackers to cause a denial of service (system crash) via an SCTPChunkInit packet containing multiple invalid parameters that require a large amount of error data.
Affected: Linux Kernel versions 2.6.0, 2.6.1, 2.6.10, 2.6.11, 2.6.11.1, 2.6.11.10, 2.6.11.11, 2.6.11.12; linux-2.6 (debian); kernel-debug-devel (oracle), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Feb 9, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including btrfs-kmp-default 0_2.6.32.54_0.3-0.3.73, btrfs-kmp-pae 0_2.6.32.59_0.13-0.3.163, btrfs-kmp-xen 0_2.6.32.54_0.3-0.3.73.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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