CVE-2024-26900

In the Linux kernel, the following vulnerability has been resolved: md: fix kmemleak of rdev-serial If kobjectadd is fail in bindrdevtoarray, 'rdev-serial' will be alloc not be freed, and kmemleak occurs. unreferenced object 0xffff88815a350000 size 49152: comm "mdadm", pid 789, jiffies 4294716910...

CVE-2024-26819

CVE-2024-26819 is rejected/not used; this entry does not represent an active vulnerability.

CVE-2024-26786

In the Linux kernel, the following vulnerability has been resolved: iommufd: Fix ioptaccesslistid overwrite bug Syzkaller reported the following WARNON: WARNING: CPU: 1 PID: 4738 at drivers/iommu/iommufd/iopagetable.c:1360 Call Trace: iommufdaccesschangeioas+0x2fe/0x4e0...

CVE-2024-26688

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26688 fs,hugetlb: fix NULL pointer dereference in hugetlbs_fill_super

In the Linux kernel, the following vulnerability has been resolved: fs,hugetlb: fix NULL pointer dereference in hugetlbsfillsuper When configuring a hugetlb filesystem via the fsconfig syscall, there is a possible NULL dereference in hugetlbfsfillsuper caused by assigning NULL to ctx-hstate in...

CVE-2024-26641

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: make sure to pull inner header in ip6tnlrcv syzbot found ip6tnlrcv could access unitiliazed data 1. Call pskbinetmaypull to fix this, and initialize ipv6h variable after this call as it can change skb-head. 1 BUG: KMSA...

CVE-2024-26641

CVE-2024-26641 concerns the Linux kernel. The vulnerability arises in ip6_tunnel, where __ip6_tnl_rcv() could access uninitialized data due to not pulling the inner header early enough. The fix, as noted in multiple advisories (e.g., Astra Linux security bulletins), is to call pskb_inet_may_pull(...

CVE-2021-47128 bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a "security,lockdown,selinux: implement SELinux lockdown" added an implementation of the lockeddown LSM hook to SELinux, with the aim to restric...

CVE-2021-47128 bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a "security,lockdown,selinux: implement SELinux lockdown" added an implementation of the lockeddown LSM hook to SELinux, with the aim to restric...

Exploit for File Descriptor Leak in Linuxfoundation Runc

PoC of CVE-2024-21626 Read my full article for detailed explan...

kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination

An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system...

The vulnerability of the bpf_map_put() function in the kernel/bpf/syscall.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the bpfmapput function in the kernel/bpf/syscall.c module of the Linux operating system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

CVE-2021-47092

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Always clear vmx-fail on emulationrequired Revert a relatively recent change that set vmx-fail if the vCPU is in L2 and emulationrequired is true, as that behavior is completely bogus. Setting vmx-fail and synthesizing ...

CVE-2021-47090 mm/hwpoison: clear MF_COUNT_INCREASED before retrying get_any_page()

In the Linux kernel, the following vulnerability has been resolved: mm/hwpoison: clear MFCOUNTINCREASED before retrying getanypage Hulk Robot reported a panic in putpagetestzero when testing madvise with MADVSOFTOFFLINE. The BUG is triggered when retrying getanypage. This is because we keep...

CVE-2021-47082 tun: avoid double free in tun_free_netdev

In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit that will be called by registernetdevice. ndoinit is paired with the...

CVE-2021-47080

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The userentrysize is supplied by the user and later used as a denominator to calculate number of entries. The zero supplied by the user will trigger the following...

CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...

DEBIAN-CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...

UBUNTU-CVE-2023-52499

In the Linux kernel, the following vulnerability has been resolved: powerpc/47x: Fix 47x syscall return crash Eddie reported that newer kernels were crashing during boot on his 476 FSP2 system: kernel tried to execute user page b7ee2000 - exploit attempt? uid: 0 BUG: Unable to handle kernel...