Summary
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- Cryptographic API;
- UDF file system;
- NFC subsystem;
- Network traffic control;
(CVE-2024-46777, CVE-2025-21735, CVE-2025-37849, CVE-2026-23060,
CVE-2026-23074)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro FIPS-updates 18.04 LTS Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2128.134 |
| Ubuntu · Pro FIPS-updates 18.04 LTS Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1145.157 |
Vulnerabilities 5
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High 8.8
NFC: nci: Add bounds checking in nci_hci_create_pipe()
In the Linux kernel, the following vulnerability has been resolved: NFC: nci: Add bounds checking in nci_hci_create_pipe() The "pipe" variable is a u8 which comes from the network. If it's more than 127, then it results in memory corruption in the caller, nci…
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High 8.8
KVM: arm64: Tear down vGIC on failed vCPU creation
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Tear down vGIC on failed vCPU creation If kvm_arch_vcpu_create() fails to share the vCPU page with the hypervisor, we propagate the error back to the ioctl but leave the vGIC vCPU…
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High 7.8
udf: Avoid excessive partition lengths
In the Linux kernel, the following vulnerability has been resolved: udf: Avoid excessive partition lengths Avoid mounting filesystems where the partition would overflow the 32-bits used for block number. Also refuse to mount filesystems where the partition le…
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High 7.8
net/sched: Enforce that teql can only be used as root qdisc
In the Linux kernel, the following vulnerability has been resolved: net/sched: Enforce that teql can only be used as root qdisc Design intent of teql is that it is only supposed to be used as root qdisc. We need to check for that constraint. Although not impo…
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Unscored —
crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec
In the Linux kernel, the following vulnerability has been resolved: crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec authencesn assumes an ESP/ESN-formatted AAD. When assoclen is shorter than the minimum expected length, crypto_aut…