CVE-2024-42254

In the Linux kernel, the following vulnerability has been resolved: iouring: fix error pbuf checking Syz reports a problem, which boils down to NULL vs ISERR inconsistent error handling in ioallocpbufring. KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007 RIP:...

CVE-2022-48781 crypto: af_alg - get rid of alg_memory_allocated

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg - get rid of algmemoryallocated algmemoryallocated does not seem to be really used. algproto does have a .memoryallocated field, but no corresponding .sysctlmem. This means skhasaccount returns true, but all...

CVE-2024-40959

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...

CVE-2024-40905

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-40959

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...

CVE-2024-40959 xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...

CVE-2024-40959 xfrm6: check ip6_dst_idev() return value in xfrm6_get_saddr()

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...

CVE-2024-40959

In the Linux kernel, the following vulnerability has been resolved: xfrm6: check ip6dstidev return value in xfrm6getsaddr ip6dstidev can return NULL, xfrm6getsaddr must act accordingly. syzbot reported: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1...

CVE-2024-40959

The CVE-2024-40959 entry concerns a Linux kernel issue where ip6_dst_idev() can return NULL, and xfrm6_get_saddr() must handle that, otherwise a NULL pointer dereference may occur. The vulnerability arises in xfrm6_policy.c (xfrm6_get_saddr) and could lead to denial of service via a kernel NULL d...

CVE-2024-40905 ipv6: fix possible race in __fib6_drop_pcpu_from()

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-40905

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix possible race in fib6droppcpufrom syzbot found a race in fib6droppcpufrom 1 If compiler reads more than once ppcpurt, second read could read NULL, if another cpu clears the value in rt6getpcpuroute. Add a READONCE to...

CVE-2024-36270

In the Linux kernel, the following vulnerability has been resolved: netfilter: tproxy: bail out if IP has been disabled on the device syzbot reports: general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 1 PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range...

CVE-2021-47612

In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfcgenldumpdevicesdone When kmalloc in nfcgenldumpdevices fails then nfcgenldumpdevicesdone segfaults as below KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 25 Comm:...

CVE-2021-47612

In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfcgenldumpdevicesdone When kmalloc in nfcgenldumpdevices fails then nfcgenldumpdevicesdone segfaults as below KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 25 Comm:...

CVE-2021-47612 nfc: fix segfault in nfc_genl_dump_devices_done

In the Linux kernel, the following vulnerability has been resolved: nfc: fix segfault in nfcgenldumpdevicesdone When kmalloc in nfcgenldumpdevices fails then nfcgenldumpdevicesdone segfaults as below KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 25 Comm:...

CVE-2024-38612 ipv6: sr: fix invalid unregister error path

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix invalid unregister error path The error path of seg6init is wrong in case CONFIGIPV6SEG6LWTUNNEL is not defined. In that case if seg6hmacinit fails, the genlunregisterfamily isn't called. This issue exist since comm...

kernel security and bug fix update

5.14.0-427.20.14.OL9 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

Oracle Linux 9 : kernel (ELSA-2024-3619)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-3619 advisory. - ipv6: sr: fix possible use-after-free and null-ptr-deref Hangbin Liu RHEL-33968 RHEL-31732 CVE-2024-26735 Tenable has extracted the preceding...

RHEL 9 : kernel (RHSA-2024:3619)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:3619 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: sr: fix possible...

Moderate: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref CVE-2024-26735 kernel: fs: sysfs: Fix reference leak in sysfsbreakactiveprotection CVE-2024-26993 For more details about the...