Kernel: NULL pointer dereference problem in sctp_sched_dequeue_common
Published Apr 20, 2023
5.5
MEDIUMCVSS 3.1
EPSS 0.21%
Description
A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.
Affected products
- Vendor n/a Product Linux Defaultn/a
- Version Linux Kernel prior to Kernel 5.19 RC17StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux | n/a |
|
- < 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
No data.
Red Hat Enterprise Linux 8
kernel-0:4.18.0-477.10.1.el8_8
Fixed · RHSA-2023:2951
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-477.10.1.rt7.274.el8_8
Fixed · RHSA-2023:2736
Red Hat Enterprise Linux 8.6 Extended Update Support
kernel-0:4.18.0-372.80.1.el8_6
Fixed · RHSA-2023:7398
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 9
kernel-0:5.14.0-284.11.1.el9_2
Fixed · RHSA-2023:2458
Red Hat Enterprise Linux 9
kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2
Fixed · RHSA-2023:2148
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
kernel-0:4.18.0-372.80.1.el8_6
Fixed · RHSA-2023:7398
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-477.10.1.el8_8 | Fixed | RHSA-2023:2951 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-477.10.1.rt7.274.el8_8 | Fixed | RHSA-2023:2736 |
| Red Hat Enterprise Linux 8.6 Extended Update Support | kernel-0:4.18.0-372.80.1.el8_6 | Fixed | RHSA-2023:7398 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-284.11.1.el9_2 | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux 9 | kernel-rt-0:5.14.0-284.11.1.rt14.296.el9_2 | Fixed | RHSA-2023:2148 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | kernel-0:4.18.0-372.80.1.el8_6 | Fixed | RHSA-2023:7398 |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
References (6)
- https://access.redhat.com/security/cve/CVE-2023-2177 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2187953 Issue Tracking
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33694 Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0 Mailing ListPatchVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-2177
- https://www.cve.org/CVERecord?id=CVE-2023-2177
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-2177 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2187953 | Issue Tracking | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33694 | Advisory | |
| https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0 | Mailing ListPatchVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2023-2177 | ||
| https://www.cve.org/CVERecord?id=CVE-2023-2177 |
Change history (0)
No recorded changes yet.