CVE-2023-53705
highpriority · track · 0EPSS 0.006 · 47 %ileDEEURUEPSS · scored 2026-10-27
In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedbpftool-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-abi-whitelists-0:3.10.0-1160.145.1.el7.noarch as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-debug-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-debug-devel-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-devel-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-doc-0:3.10.0-1160.145.1.el7.noarch as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-headers-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-tools-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-tools-libs-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedkernel-tools-libs-devel-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperf-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedpython-perf-0:3.10.0-1160.145.1.el7.x86_64 as component of SUSE Liberty Linux 7 LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.2
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (89)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- RHSA-2026:0755security update for kernel2026-01-19csaf · suse_csafDE
security update for kernel
- WID-SEC-W-2025-2394Linux Kernel: Mehrere SchwachstellenDeutsch2025-10-22csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen im Linux Kernel ausnutzen, um einen Denial of Service Angriff oder andere, nicht näher spezifizierte Angriffe durchzuführen.
- WID-SEC-W-2026-0349Dell Avamar und NetWorker: Mehrere SchwachstellenDeutsch2026-02-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Dell Avamar und Dell NetWorker ausnutzen, um Angriffe zu starten, die die Integrität, Vertraulichkeit und Verfügbarkeit von Systemen beeinträchtigen.
also known as (16)
Other names and identifiers for this entity.
- CNNVD-202510-3092cnnvd
- EUVD-2023-60023enisa_euvd
- BDU:2026-04018fstec_bdu
- RHSA-2023:6583fstec_bdu
- RHSA-2024:3138fstec_bdu
- RHSA-2026:0532fstec_bdu
- RHSA-2026:0533fstec_bdu
- RHSA-2026:0537fstec_bdu
- RHSA-2026:0576fstec_bdu
- RHSA-2026:0754fstec_bdu
- RHSA-2026:0755fstec_bdu
- RHSA-2026:1441fstec_bdu
- RHSA-2026:1442fstec_bdu
- RHSA-2026:1443fstec_bdu
- RHSA-2026:1512fstec_bdu
- GHSA-27mw-8p8v-6j5henisa_euvd
sources
Which sources assert this record, and when.
references (26)
External citations — patches, advisories, analysis.
- https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefefcnnvd
- https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baebcnnvd
- https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94cnnvd
- https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671cnnvd
- https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0ccnnvd
- https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0cnnvd
- https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40cnnvd
- https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dccnnvd
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