Fix CVE(s): CVE-2023-6270, CVE-2026-31431, CVE-2026-53043
* Bump kernel ABI to 28: ship the ELS kernel as linux-image-4.19.0-28-*, distinct from Debian stock 4.19.0-27. * Backport security fixes for CVE-2026-31431 (af_alg / AEAD): - crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec - crypto: scatterwalk - Backport memcpy_sglist() - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption - crypto: authencesn - Fix src offset when decrypting in-place - crypto: algif_aead - use memcpy_sglist() instead of null skcipher - crypto: algif_aead - Revert to operating out-of-place - crypto: algif_aead - snapshot IV for async AEAD requests - crypto: authenc - use memcpy_sglist() instead of null skcipher - crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl - crypto: algif_aead - Fix minimum RX size check for decryption * Backport security fixes for CVE-2026-53043 (ocfs2/dlm out-of-bounds): - ocfs2/dlm: validate qr_numregions in dlm_match_regions() - ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison * New upstream stable update: https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317 - wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects - wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup() - wifi: iwlwifi: mvm: revert gen2 TX A-MPDU size to 64 - wifi: iwlwifi: mvm: don't read past the mfuart notifcation - ipv6: sr: block BH in seg6_output_core() and seg6_input_core() - vxlan: Fix regression when dropping packets due to invalid src ad
- Products
- hyperv-daemons, libbpf-dev, libbpf4.19, libcpupower-dev, libcpupower1, linux-compiler-gcc-8-x86, linux-config-4.19, linux-cpupower, linux-doc-4.19, linux-headers-4.19.0-28-all, linux-headers-4.19.0-28-all-amd64, linux-headers-4.19.0-28-amd64, linux-headers-4.19.0-28-common, linux-image-4.19.0-28-amd64-unsigned, linux-image-amd64-signed-template, linux-kbuild-4.19, linux-libc-dev, linux-perf-4.19, linux-source-4.19, linux-support-4.19.0-28
- Affected versions
- Not specified
- Fixed versions
- 4.19.325-1+tuxcare.els1
- CVEs
- CVE-2023-6270, CVE-2026-31431, CVE-2026-53043
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:22 UTC · Revision 1
Source evidence
Fix CVE(s): CVE-2023-6270, CVE-2026-31431, CVE-2026-53043
core-osv · Original sourcePublished 27 Aug 2026, 15:49 UTC
* Bump kernel ABI to 28: ship the ELS kernel as linux-image-4.19.0-28-*, distinct from Debian stock 4.19.0-27. * Backport security fixes for CVE-2026-31431 (af_alg / AEAD): - crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec - crypto: scatterwalk - Backport memcpy_sglist() - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption - crypto: authencesn - Fix src offset when decrypting in-place - crypto: algif_aead - use memcpy_sglist() instead of null skcipher - crypto: algif_aead - Revert to operating out-of-place - crypto: algif_aead - snapshot IV for async AEAD requests - crypto: authenc - use memcpy_sglist() instead of null skcipher - crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl - crypto: algif_aead - Fix minimum RX size check for decryption * Backport security fixes for CVE-2026-53043 (ocfs2/dlm out-of-bounds): - ocfs2/dlm: validate qr_numregions in dlm_match_regions() - ocfs2/dlm: fix off-by-one in dlm_match_regions() region comparison * New upstream stable update: https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.317 - wifi: mac80211: mesh: Fix leak of mesh_preq_queue objects - wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup() - wifi: iwlwifi: mvm: revert gen2 TX A-MPDU size to 64 - wifi: iwlwifi: mvm: don't read past the mfuart notifcation - ipv6: sr: block BH in seg6_output_core() and seg6_input_core() - vxlan: Fix regression when dropping packets due to invalid src ad
osv:CLSA-2026-1787656450
hyperv-daemons
Fixed versions: 4.19.325-1+tuxcare.els1
libbpf-dev
Fixed versions: 4.19.325-1+tuxcare.els1
libbpf4.19
Fixed versions: 4.19.325-1+tuxcare.els1
libcpupower-dev
Fixed versions: 4.19.325-1+tuxcare.els1
libcpupower1
Fixed versions: 4.19.325-1+tuxcare.els1
linux-compiler-gcc-8-x86
Fixed versions: 4.19.325-1+tuxcare.els1
linux-config-4.19
Fixed versions: 4.19.325-1+tuxcare.els1
linux-cpupower
Fixed versions: 4.19.325-1+tuxcare.els1
linux-doc-4.19
Fixed versions: 4.19.325-1+tuxcare.els1
linux-headers-4.19.0-28-all
Fixed versions: 4.19.325-1+tuxcare.els1
linux-headers-4.19.0-28-all-amd64
Fixed versions: 4.19.325-1+tuxcare.els1
linux-headers-4.19.0-28-amd64
Fixed versions: 4.19.325-1+tuxcare.els1
linux-headers-4.19.0-28-common
Fixed versions: 4.19.325-1+tuxcare.els1
linux-image-4.19.0-28-amd64-unsigned
Fixed versions: 4.19.325-1+tuxcare.els1
linux-image-amd64-signed-template
Fixed versions: 4.19.325-1+tuxcare.els1
linux-kbuild-4.19
Fixed versions: 4.19.325-1+tuxcare.els1
linux-libc-dev
Fixed versions: 4.19.325-1+tuxcare.els1
linux-perf-4.19
Fixed versions: 4.19.325-1+tuxcare.els1
linux-source-4.19
Fixed versions: 4.19.325-1+tuxcare.els1
linux-support-4.19.0-28
Fixed versions: 4.19.325-1+tuxcare.els1
Complete source record
{
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"url": "https://osv.dev/vulnerability/CLSA-2026-1787656450",
"method": "structured",
"payload": {
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"title": "Fix CVE(s): CVE-2023-6270, CVE-2026-31431, CVE-2026-53043",
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],
"modified": "2026-10-26T09:31:53.022209692Z",
"provider": "osv",
"upstream": [
"CVE-2023-6270",
"CVE-2026-31431",
"CVE-2026-53043"
],
"references": [
"https://errata.tuxcare.com/els_os/debian10els/CLSA-2026-1787656450.html",
"https://nvd.nist.gov/vuln/detail/CVE-2023-6270",
"https://nvd.nist.gov/vuln/detail/CVE-2026-31431",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53043"
]
},
"related_cves": [
{
"value": "CVE-2023-6270",
"evidence": "/upstream"
},
{
"value": "CVE-2026-31431",
"evidence": "/upstream"
},
{
"value": "CVE-2026-53043",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448819,
"published_at": "2026-08-27T15:49:18+00:00"
}