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CVE-2026-31427

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: fix use of uninitialized rtp_addr in process_sdp process_sdp() declares union nf_inet_addr rtp_addr on the stack and passes it to the nf_nat_sip sdp_session hook after walking the SDP media descriptions. However rtp_addr is only initialized inside the media loop when a recognized media type with a non-zero port is found. If the SDP body contains no m= lines, only inactive media sections (m=audio 0
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bf1a5389c21648abbfc02a0cfa7dc4d431064ee1deb8a209da51457ab15782f8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 12 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"faa6ea32797a1847790514ff0da1be1d09771580","status":"affected","version":"4ab9e64e5e3c0516577818804aaf13a630d67bc9","versionType":"git"},{"lessThan":"82baeb871e8f04906bc886273fdf0209e1754eb3","status":"affected","version":"4ab9e64e5e3c0516577818804aaf13a630d67bc9","versionType":"git"},{"lessThan":"6e5e3c87b7e6212f1d8414fc2e4d158b01e12025","status":"affected","version":"4ab9e64e5e3c0…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/4

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/6

{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"sem…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/9

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/7

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/5

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/8

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/3

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/2

Affected products and versions

12 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"faa6ea32797a1847790514ff0da1be1d09771580","status":"affected","version":"4ab9e64e5e3c0516577818804aaf13a630d67bc9","versionType":"git"},{"lessThan":"82baeb871e8f04906bc886273fdf0209e1754eb3","status":"affected","version":"4ab9e64e5e3c0516577818804aaf13a630d67bc9","versionType":"git"},{"lessThan":"6e5e3c87b7e6212f1d8414fc2e4d158b01e12025","status":"affected","version":"4ab9e64e5e3c0…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/4
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/6
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_conntrack_sip.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.26"},{"lessThan":"2.6.26","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"sem…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/7
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/5
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/8
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/3
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/affected/2

Source references

10 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/references/1
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/01f34a80ac23ae90b1909b94b4ed05343a62f646"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/52fdda318ef2362fc5936385bcb8b3d0328ee629"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/6a2b724460cb67caed500c508c2ae5cf012e4db4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/6e5e3c87b7e6212f1d8414fc2e4d158b01e12025"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7edca70751b9bdb5b83eed53cde21eccf3c86147"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/82baeb871e8f04906bc886273fdf0209e1754eb3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/faa6ea32797a1847790514ff0da1be1d09771580"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/fe463e76c9b4b0b43b5ee8961b4c500231f1a3f6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:eba2b897734420a3a4066e0cf7ddb3adff08f0447f0e33aed275acbb9a906e05 · sha256:7f0f959f08b0d622… · /containers/cna/references/3

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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