Description
In the Linux kernel, the following vulnerability has been resolved:
ipv6: fix possible UAF in icmpv6_rcv()
Caching saddr and daddr before pskb_pull() is problematic since skb->head can change.
Remove these temporary variables:
- We only access &ipv6_hdr(skb)->saddr and &ipv6_hdr(skb)->daddr when net_dbg_ratelimited() is called in the slow path.
- Avoid potential future misuse after pskb_pull() call.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 7bff2c8fe5c35ae58bf73104f53db3676e6e5d94; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < aff0f28f5be803de2452ce702631c021fcd9ce8a; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 38bdbc897c0d83a3e2b925a51b69420f1feba29a; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 0069813e6ca9309eca78022bcb3aeb1e9ef90a12; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 7c66b368c6ff453f99cb39d84af93e908e51eef2; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < 085e31a811ef234ef8c3e219c4636dfebfe7e10f; >= 4b3418fba0fe819197e3359d5ddbef84ba2c59de, < f996edd7615e686ada141b7f3395025729ff8ccb |
| Linux | Linux | 4.4 |
| Red Hat | Red Hat Enterprise Linux 10 | — |
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8 | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — |
| Red Hat | Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Telecommunications Update Service | — |
| Red Hat | Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions | — |
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support | — |
| Red Hat | Red Hat Enterprise Linux 6 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 7 | — |
| Red Hat | Red Hat Enterprise Linux 9 | — |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.6, < * |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.7, < * |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.6, < * |
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.7, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.6, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.7, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.6, < * |
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP | >= V3.1.7, < * |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.6, < * |
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP | >= V3.1.7, < * |
References
- https://git.kernel.org/stable/c/0069813e6ca9309eca78022bcb3aeb1e9ef90a12Patch
- https://git.kernel.org/stable/c/085e31a811ef234ef8c3e219c4636dfebfe7e10fPatch
- https://git.kernel.org/stable/c/1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7Patch
- https://git.kernel.org/stable/c/38bdbc897c0d83a3e2b925a51b69420f1feba29aPatch
- https://git.kernel.org/stable/c/7bff2c8fe5c35ae58bf73104f53db3676e6e5d94Patch
- https://git.kernel.org/stable/c/7c66b368c6ff453f99cb39d84af93e908e51eef2Patch
- https://git.kernel.org/stable/c/aff0f28f5be803de2452ce702631c021fcd9ce8aPatch
- https://git.kernel.org/stable/c/f996edd7615e686ada141b7f3395025729ff8ccbPatch
- https://access.redhat.com/errata/RHSA-2026:45192
- https://access.redhat.com/errata/RHSA-2026:47010
- https://access.redhat.com/errata/RHSA-2026:47011
- https://access.redhat.com/errata/RHSA-2026:47017
- https://access.redhat.com/errata/RHSA-2026:61932
- https://access.redhat.com/errata/RHSA-2026:62568
- https://access.redhat.com/errata/RHSA-2026:64767
- https://access.redhat.com/errata/RHSA-2026:65710
- https://access.redhat.com/errata/RHSA-2026:65711
- https://access.redhat.com/errata/RHSA-2026:65712
- https://access.redhat.com/errata/RHSA-2026:67721
- https://access.redhat.com/errata/RHSA-2026:67723
- https://access.redhat.com/security/cve/CVE-2026-53006Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492363Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53006.jsonThird Party Advisory
Timeline
- Published
- Jun 24, 2026
- Last modified
- Nov 10, 2026
- NVD status
- Modified