Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: remove sprintf usage Replace it with scnprintf, the buffer sizes are expected to be large enough to hold the result, no need for snprintf+overflow check. Increase buffer size in mangle_content_len() while at it. BUG: KASAN: stack-out-of-bounds in vsnprintf+0xea5/0x1270 Write of size 1 at addr [..] vsnprintf+0xea5/0x1270 sprintf+0xb1/0xe0 mangle_content_len+0x1ac/0x280 nf_nat_sdp_session+0x1cc/0x240 process_sdp+0x8f8/0xb80 process_invite_request+0x108/0x2b0 process_sip_msg+0x5da/0xf50 sip_help_tcp+0x45e/0x780 nf_confirm+0x34d/0x990 [..]
References
- www.cve.org/CVERecord ↗
- nvd.nist.gov/vuln/detail/CVE-2026-53002 ↗
- git.kernel.org/stable/c/1c9fb8aeed06790d42cdcd00f6c3ce0b9e926c1e ↗
- git.kernel.org/stable/c/2f793ba78470a99f40389b7dc60a81d9f5ad3956 ↗
- git.kernel.org/stable/c/6bbf829b4c1b44c941c47dd0d710f1393258f3d5 ↗
- git.kernel.org/stable/c/6e7066bdb481a87fe88c4fa563e348c03b2d373d ↗
- git.kernel.org/stable/c/8e3be0d12615a173fe260cd42753ca7a001acbf2 ↗
- git.kernel.org/stable/c/a8e0a32a23d3f34862af3b4da792ecb3a891a9a3 ↗
- git.kernel.org/stable/c/ab64e61c9323fa6de21bd20da1ddb29a0fb65d34 ↗
- git.kernel.org/stable/c/c08ff52e44945e6ef4ce0790f49ea761b060c45b ↗
- access.redhat.com/errata/RHSA-2026:64770 ↗
- access.redhat.com/errata/RHSA-2026:66000 ↗
- access.redhat.com/errata/RHSA-2026:66180 ↗
- access.redhat.com/security/cve/CVE-2026-53002 ↗
- bugzilla.redhat.com/show_bug.cgi ↗
- cert-portal.siemens.com/productcert/html/ssa-019113.html ↗
- cert-portal.siemens.com/productcert/html/ssa-457936.html ↗
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53002.json ↗
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This product uses the NVD API but is not endorsed or certified by the NVD. CVSS scores do not establish exploitation.