Critical severity9.8NVD Advisory· Published Jun 24, 2026· Updated Jul 28, 2026
CVE-2026-53006
CVE-2026-53006
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
82cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
- osv-coords77 versionspkg:linux/kernelpkg:rpm/almalinux/bpftoolpkg:rpm/almalinux/kernelpkg:rpm/almalinux/kernel-64kpkg:rpm/almalinux/kernel-64k-corepkg:rpm/almalinux/kernel-64k-debugpkg:rpm/almalinux/kernel-64k-debug-corepkg:rpm/almalinux/kernel-64k-debug-develpkg:rpm/almalinux/kernel-64k-debug-devel-matchedpkg:rpm/almalinux/kernel-64k-debug-modulespkg:rpm/almalinux/kernel-64k-debug-modules-corepkg:rpm/almalinux/kernel-64k-debug-modules-extrapkg:rpm/almalinux/kernel-64k-develpkg:rpm/almalinux/kernel-64k-devel-matchedpkg:rpm/almalinux/kernel-64k-modulespkg:rpm/almalinux/kernel-64k-modules-corepkg:rpm/almalinux/kernel-64k-modules-extrapkg:rpm/almalinux/kernel-abi-stablelistspkg:rpm/almalinux/kernel-corepkg:rpm/almalinux/kernel-cross-headerspkg:rpm/almalinux/kernel-debugpkg:rpm/almalinux/kernel-debug-corepkg:rpm/almalinux/kernel-debug-develpkg:rpm/almalinux/kernel-debug-devel-matchedpkg:rpm/almalinux/kernel-debug-modulespkg:rpm/almalinux/kernel-debug-modules-corepkg:rpm/almalinux/kernel-debug-modules-extrapkg:rpm/almalinux/kernel-debug-uki-virtpkg:rpm/almalinux/kernel-develpkg:rpm/almalinux/kernel-devel-matchedpkg:rpm/almalinux/kernel-docpkg:rpm/almalinux/kernel-headerspkg:rpm/almalinux/kernel-modulespkg:rpm/almalinux/kernel-modules-corepkg:rpm/almalinux/kernel-modules-extrapkg:rpm/almalinux/kernel-modules-extra-matchedpkg:rpm/almalinux/kernel-rtpkg:rpm/almalinux/kernel-rt-64kpkg:rpm/almalinux/kernel-rt-64k-corepkg:rpm/almalinux/kernel-rt-64k-debugpkg:rpm/almalinux/kernel-rt-64k-debug-corepkg:rpm/almalinux/kernel-rt-64k-debug-develpkg:rpm/almalinux/kernel-rt-64k-debug-modulespkg:rpm/almalinux/kernel-rt-64k-debug-modules-corepkg:rpm/almalinux/kernel-rt-64k-debug-modules-extrapkg:rpm/almalinux/kernel-rt-64k-develpkg:rpm/almalinux/kernel-rt-64k-modulespkg:rpm/almalinux/kernel-rt-64k-modules-corepkg:rpm/almalinux/kernel-rt-64k-modules-extrapkg:rpm/almalinux/kernel-rt-corepkg:rpm/almalinux/kernel-rt-debugpkg:rpm/almalinux/kernel-rt-debug-corepkg:rpm/almalinux/kernel-rt-debug-develpkg:rpm/almalinux/kernel-rt-debug-modulespkg:rpm/almalinux/kernel-rt-debug-modules-corepkg:rpm/almalinux/kernel-rt-debug-modules-extrapkg:rpm/almalinux/kernel-rt-develpkg:rpm/almalinux/kernel-rt-modulespkg:rpm/almalinux/kernel-rt-modules-corepkg:rpm/almalinux/kernel-rt-modules-extrapkg:rpm/almalinux/kernel-toolspkg:rpm/almalinux/kernel-tools-libspkg:rpm/almalinux/kernel-tools-libs-develpkg:rpm/almalinux/kernel-uki-virtpkg:rpm/almalinux/kernel-uki-virt-addonspkg:rpm/almalinux/kernel-zfcpdumppkg:rpm/almalinux/kernel-zfcpdump-corepkg:rpm/almalinux/kernel-zfcpdump-develpkg:rpm/almalinux/kernel-zfcpdump-devel-matchedpkg:rpm/almalinux/kernel-zfcpdump-modulespkg:rpm/almalinux/kernel-zfcpdump-modules-corepkg:rpm/almalinux/kernel-zfcpdump-modules-extrapkg:rpm/almalinux/libperfpkg:rpm/almalinux/perfpkg:rpm/almalinux/python3-perfpkg:rpm/almalinux/rtlapkg:rpm/almalinux/rv
>= 4.4.0, < 5.10.258+ 76 more
- (no CPE)range: >= 4.4.0, < 5.10.258
- (no CPE)range: < 4.18.0-553.148.1.el8_10
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
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- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
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- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
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- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
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- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 6.12.0-211.40.1.el10_2
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
- (no CPE)range: < 5.14.0-687.30.1.el9_8
Patches
Vulnerability mechanics
References
15- git.kernel.org/stable/c/0069813e6ca9309eca78022bcb3aeb1e9ef90a12nvdPatch
- git.kernel.org/stable/c/085e31a811ef234ef8c3e219c4636dfebfe7e10fnvdPatch
- git.kernel.org/stable/c/1e1f0f89ee4692a64be3f3707ff8ac1ae57b03e7nvdPatch
- git.kernel.org/stable/c/38bdbc897c0d83a3e2b925a51b69420f1feba29anvdPatch
- git.kernel.org/stable/c/7bff2c8fe5c35ae58bf73104f53db3676e6e5d94nvdPatch
- git.kernel.org/stable/c/7c66b368c6ff453f99cb39d84af93e908e51eef2nvdPatch
- git.kernel.org/stable/c/aff0f28f5be803de2452ce702631c021fcd9ce8anvdPatch
- git.kernel.org/stable/c/f996edd7615e686ada141b7f3395025729ff8ccbnvdPatch
- access.redhat.com/security/cve/CVE-2026-53006nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdThird Party Advisory
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53006.jsonnvdThird Party Advisory
- access.redhat.com/errata/RHSA-2026:45192nvd
- access.redhat.com/errata/RHSA-2026:47010nvd
- access.redhat.com/errata/RHSA-2026:47011nvd
- access.redhat.com/errata/RHSA-2026:47017nvd
News mentions
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