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CVE-2023-3812

Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags PUBLISHED

Description (CNA)

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Affected (CNA)

Vendor / productVersions
Red Hat / Red Hat Enterprise Linux 8unaffected 0:4.18.0-513.9.1.rt7.311.el8_9 before *
Red Hat / Red Hat Enterprise Linux 8unaffected 0:4.18.0-513.9.1.el8_9 before *
Red Hat / Red Hat Enterprise Linux 8unaffected
Red Hat / Red Hat Enterprise Linux 8.1 Update Services for SAP Solutionsunaffected
Red Hat / Red Hat Enterprise Linux 8.1 Update Services for SAP Solutionsunaffected 0:4.18.0-147.94.1.el8_1 before *
Red Hat / Red Hat Enterprise Linux 8.2 Advanced Update Supportunaffected 0:4.18.0-193.133.1.el8_2 before *
Red Hat / Red Hat Enterprise Linux 8.2 Telecommunications Update Serviceunaffected 0:4.18.0-193.133.1.rt13.184.el8_2 before *
Red Hat / Red Hat Enterprise Linux 8.2 Telecommunications Update Serviceunaffected 0:4.18.0-193.133.1.el8_2 before *
Red Hat / Red Hat Enterprise Linux 8.2 Update Services for SAP Solutionsunaffected
Red Hat / Red Hat Enterprise Linux 8.2 Update Services for SAP Solutionsunaffected 0:4.18.0-193.133.1.el8_2 before *
Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:4.18.0-305.120.1.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Serviceunaffected 0:4.18.0-305.120.1.rt7.196.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.4 Telecommunications Update Serviceunaffected 0:4.18.0-305.120.1.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutionsunaffected 0:4.18.0-305.120.1.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.4 Update Services for SAP Solutionsunaffected
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Supportunaffected
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Supportunaffected 0:4.18.0-372.87.1.el8_6 before *
Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Supportunaffected
Red Hat / Red Hat Enterprise Linux 8.8 Extended Update Supportunaffected 0:4.18.0-477.43.1.el8_8 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:5.14.0-362.18.1.el9_3 before *
Red Hat / Red Hat Enterprise Linux 9unaffected
Red Hat / Red Hat Enterprise Linux 9unaffected 0:5.14.0-362.18.1.el9_3 before *
Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected 0:5.14.0-70.80.1.el9_0 before *
Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected 0:5.14.0-70.80.1.rt21.151.el9_0 before *
Red Hat / Red Hat Enterprise Linux 9.0 Extended Update Supportunaffected
Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.40.1.el9_2 before *
Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected 0:5.14.0-284.40.1.rt14.325.el9_2 before *
Red Hat / Red Hat Enterprise Linux 9.2 Extended Update Supportunaffected
Red Hat / Red Hat Virtualization 4 for Red Hat Enterprise Linux 8unaffected 0:4.18.0-372.87.1.el8_6 before *
Red Hat / Red Hat Enterprise Linux 6unaffected
Red Hat / Red Hat Enterprise Linux 7unaffected
Red Hat / Red Hat Enterprise Linux 7unaffected
Red Hat / Red Hat Enterprise Linux 9affected

CWE

CWE-787

References

ADP enrichment

CVE

No English description supplied.

CISA-ADP

No English description supplied.

No references supplied.