USN-6938-1: Linux kernel vulnerabilities

It was discovered that the device input subsystem in the Linux kernel did not properly handle the case when an event code falls outside of a bitmap. A local attacker could use this to cause a denial of service system crash. CVE-2022-48619 黄思聪 discovered that the NFC Controller Interface NCI...

CVE-2024-42075

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix remap of arena. The bpf arena logic didn't account for mremap operation. Add a refcnt for multiple mmap events to prevent use-after-free in arenavmclose...

CVE-2024-42072

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix maygoto with negative offset. Zac's syzbot crafted a bpf prog that exposed two bugs in maygoto. The 1st bug is the way maygoto is patched. When offset is negative it should be patched differently. The 2nd bug is in the...

CVE-2024-42067

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryrox into account with bpfjitbinarylockro setmemoryrox can fail, leaving memory unprotected. Check return and bail out when bpfjitbinarylockro returns an error...

CVE-2024-42068

In the Linux kernel, the following vulnerability has been resolved: bpf: Take return from setmemoryro into account with bpfproglockro setmemoryro can fail, leaving memory unprotected. Check its return and take it into account as an error...

CVE-2024-42063

In the Linux kernel, the following vulnerability has been resolved: bpf: Mark bpf prog stack with kmsanunposionmemory in interpreter mode syzbot reported uninit memory usages during maplookup,deleteelem. ========== BUG: KMSAN: uninit-value in devmaplookupelem kernel/bpf/devmap.c:441 inline BUG:...

CVE-2024-41045

In the Linux kernel, the following vulnerability has been resolved: bpf: Defer work in bpftimercancelandfree Currently, the same case as previous patch two timer callbacks trying to cancel each other can be invoked through bpfmapupdateelem as well, or more precisely, freeing map elements containi...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 9 : kernel (RHSA-2024:4928)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:4928 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: block: null pointer dereferenc...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-6938-1)

"The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6938-1 advisory. It was discovered that the device input subsystem in the Linux kernel did not properly handle the case when an event code falls outside of a...

USN-6927-1: Linux kernel vulnerabilities

Ziming Zhang discovered that the DRM driver for VMware Virtual GPU did not properly handle certain error conditions, leading to a NULL pointer dereference. A local attacker could possibly trigger this vulnerability to cause a denial of service. CVE-2022-38096 Gui-Dong Han discovered that the...

AZL-47412 CVE-2024-42161 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

AZL-54059 CVE-2024-42151 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf: mark bpfdummystructops.test1 parameter as nullable Test case dummystops/dummyinitretvalue passes NULL as the first parameter of the test1 function. Mark this parameter as nullable to make verifier aware of such possibility...

CVE-2024-42151

In the Linux kernel, the following vulnerability has been resolved: bpf: mark bpfdummystructops.test1 parameter as nullable Test case dummystops/dummyinitretvalue passes NULL as the first parameter of the test1 function. Mark this parameter as nullable to make verifier aware of such possibility...

UBUNTU-CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

CVE-2024-42161 bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

CVE-2024-42161

Technical details about CVE-2024-42161 are not publicly provided in the connected documents. The description mentions a Linux kernel BPF_CORE_READ_BITFIELD uninitialized value fix and a patch to initialize val, but there are no explicit affected products/versions or remediation steps beyond the p...

CVE-2024-42161 bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

CVE-2024-42161

In the Linux kernel, the following vulnerability has been resolved: bpf: Avoid uninitialized value in BPFCOREREADBITFIELD Changes from V1: - Use a default branch in the switch statement to initialize val'. GCC warns that val' may be used uninitialized in the BPFCREREADBITFIELD macro, defined in...

CVE-2024-42151 bpf: mark bpf_dummy_struct_ops.test_1 parameter as nullable

In the Linux kernel, the following vulnerability has been resolved: bpf: mark bpfdummystructops.test1 parameter as nullable Test case dummystops/dummyinitretvalue passes NULL as the first parameter of the test1 function. Mark this parameter as nullable to make verifier aware of such possibility...