CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

UBUNTU-CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

UBUNTU-CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

CVE-2021-47124 io_uring: fix link timeout refs

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124 io_uring: fix link timeout refs

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47124

CVE-2021-47124 is a Linux kernel vulnerability related to io_uring: fix link timeout refs. The issue is a race in io_link_timeout_fn() where, during racing with the master request’s completion, refcount handling could lead to an extra reference on a linked timeout request; io_put_req_deferred() c...

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

CVE-2021-47123 io_uring: fix ltout double free on completion race

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

CVE-2021-47123 io_uring: fix ltout double free on completion race

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

CVE-2021-47123

CVE-2021-47123 concerns a Linux kernel use-after-free risk caused by an io_uring timeout path: a double free can occur if a linked timeout is not removed from the master request link list, potentially leading to use-after-free scenarios. The description states the fix is to always remove linked t...

CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from a double-release issue in the ltout of the iouring module...

CVE-2021-47123: Double Free

In the Linux kernel, the following vulnerability has been resolved: iouring: fix ltout double free on completion race Always remove linked timeout on iolinktimeoutfn from the master request link list, otherwise we may get use-after-free when first iolinktimeoutfn puts linked timeout in the fail...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from an error in the iolinktimeoutfn method of the iouring module...